Engage NY Eureka Math 2nd Grade Module 6 Lesson 4 Answer Key

Question 1.
9 + 1 =
The sum of the two numbers 9 + 1 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 9 + 1 is 10.

Question 2.
9 + 2 =
The sum of the two numbers 9 + 2 is 11.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 9 + 2 is 11.

Question 3.
9 + 3 =
The sum of the two numbers 9 + 3 is 12.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 9 + 3 is 12.

Question 4.
9 + 9 =
The sum of the two numbers 9 + 9 is 18.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 9 + 9 is 18.

Question 5.
8 + 2 =
The sum of the two numbers 8 + 2 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 8 + 2 is 10.

Question 6.
8 + 3 =
The sum of the two numbers 8 + 3 is 11.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 8 + 3 is 11.

Question 7.
8 + 4 =
The sum of the two numbers 8 + 4 is 12.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 8 + 4 is 12.

Question 8.
8 + 9 =
The sum of the two numbers 8 + 9 is 17.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 8 + 9 is 17.

Question 9.
9 + 1 =
The sum of the two numbers 9 + 1 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 9 + 1 is 10.

Question 10.
9 + 4 =
The sum of the two numbers 9 + 4 is 13.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 9 + 4 is 13.

Question 11.
9 + 5 =
The sum of the two numbers 9 + 5 is 14.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 9 + 5 is 14.

Question 12.
9 + 8 =
The sum of the two numbers 9 + 8 is 17.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 9 + 8 is 17.

Question 13.
8 + 2 =
The sum of the two numbers 8 + 2 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 8 + 2 is 10.

Question 14.
8 + 5 =
The sum of the two numbers 8 + 5 is 13.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 8 + 5 is 13.

Question 15.
8 + 6 =
The sum of the two numbers 8 + 6 is 14.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 8 + 6 is 14.

Question 16.
8 + 8 =
The sum of the two numbers 8 + 8 is 16.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 8 + 8 is 16.

Question 17.
9 + 1 =
The sum of the two numbers 9 + 1 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 9 + 1 is 10.

Question 18.
9 + 7 =
The sum of the two numbers 9 + 7 is 16.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 9 + 7 is 16.

Question 19.
8 + 2 =
The sum of the two numbers 8 + 2 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 8 + 2 is 10.

Question 20.
8 + 7 =
The sum of the two numbers 8 + 7 is 15.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 8 + 7 is 15.

Question 21.
9 + 1 =
The sum of the two numbers 9 + 1 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 9 + 1 is 10.

Question 22.
9 + 6 =
The sum of the two numbers 9 + 6 is 15.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 9 + 6 is 15.

Question 23.
7 + 3 =
The sum of the two numbers 7 + 3 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 7 + 3 is 10.

Question 24.
7 + 4 =
The sum of the two numbers 7 + 4 is 11.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 7 + 4 is 11.

Question 25.
7 + 5 =
The sum of the two numbers 7 + 5 is 12.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 7 + 5 is 12.

Question 26.
7 + 9 =
The sum of the two numbers 7 + 9 is 16.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 7 + 9 is 16.

Question 27.
6 + 4 =
The sum of the two numbers 6 + 4 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 6 + 4 is 10.

Question 28.
6 + 5 =
The sum of the two numbers 6 + 5 is 11.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 6 + 5 is 11.

Question 29.
6 + 6 =
The sum of the two numbers 6 + 6 is 12.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 6 + 6 is 12.

Question 30.
6 + 9 =
The sum of the two numbers 6 + 9 is 15.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 6 + 9 is 15.

Question 31.
5 + 5 =
The sum of the two numbers 5 + 5 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 5 + 5 is 10.

Question 32.
5 + 6 =
The sum of the two numbers 5 + 6 is 11.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 5 + 6 is 11.

Question 33.
5 + 7 =
The sum of the two numbers 5 + 7 is 12.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 5 + 7 is 12.

Question 34.
5 + 9 =
The sum of the two numbers 5 + 9 is 14.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 5 + 9 is 14.

Question 35.
4 + 6 =
The sum of the two numbers 4 + 6 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 4 + 6 is 10.

Question 36.
4 + 7 =
The sum of the two numbers 4 + 7 is 11.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 4 + 7 is 11.

Question 37.
4 + 9 =
The sum of the two numbers 4 + 9 is 13.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 4 + 9 is 13.

Question 38.
3 + 7 =
The sum of the two numbers 3 + 7 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 3 + 7 is 10.

Question 39.
3 + 9 =
The sum of the two numbers 3 + 9 is 12.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 3 + 9 is 12.

Question 40.
5 + 8 =
The sum of the two numbers 5 + 8 is 13.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 5 + 8 is 13.

Question 41.
2 + 8 =
The sum of the two numbers 2 + 8 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 2 + 8 is 10.

Question 42.
4 + 8 =
The sum of the two numbers 4 + 8 is 12.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 4 + 8 is 12.

Question 43.
1 + 9 =
The sum of the two numbers 1 + 9 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 1 + 9 is 10.

Question 44.
2 + 9 =
The sum of the two numbers 2 + 9 is 11.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 2 + 9 is 11.

Question 1.
8 + 2 =
The sum of the two numbers 8 + 2 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 8 + 2 is 10.

Question 2.
8 + 3 =
The sum of the two numbers 8 + 3 is 11.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 8 + 3 is 11.

Question 3.
8 + 4 =
The sum of the two numbers 8 + 4 is 12.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 8 + 4 is 12.

Question 4.
8 + 8 =
The sum of the two numbers 8 + 8 is 16.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 8 + 8 is 16.

Question 5.
9 + 1 =
The sum of the two numbers 9 + 1 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 9 + 1 is 10.

Question 6.
9 + 2 =
The sum of the two numbers 9 + 2 is 11.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 9 + 2 is 11.

Question 7.
9 + 3 =
The sum of the two numbers 9 + 3 is 12.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 9 + 3 is 12.

Question 8.
9 + 8 =
The sum of the two numbers 9 + 8 is 17.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 9 + 8 is 17.

Question 9.
8 + 2 =
The sum of the two numbers 8 + 2 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 8 + 2 is 10.

Question 10.
8 + 5 =
The sum of the two numbers 8 + 5 is 13.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 8 + 5 is 13.

Question 11.
8 + 6 =
The sum of the two numbers 8 + 6 is 14.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 8 + 6 is 14.

Question 12.
8 + 9 =
The sum of the two numbers 8 + 9 is 17.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 8 + 9 is 17.

Question 13.
9 + 1 =
The sum of the two numbers 9 + 1 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 9 + 1 is 10.

Question 14.
9 + 4 =
The sum of the two numbers 9 + 4 is 13.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 9 + 4 is 13.

Question 15.
9 + 5 =
The sum of the two numbers 9 + 5 is 14.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 9 + 5 is 14.

Question 16.
9 + 9 =
The sum of the two numbers 9 + 9 is 18.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 9 + 9 is 18.

Question 17.
9 + 1 =
The sum of the two numbers 9 + 1 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 9 + 1 is 10.

Question 18.
9 + 7 =
The sum of the two numbers 9 + 7 is 16.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 9 + 7 is 16.

Question 19.
8 + 2 =
The sum of the two numbers 8 + 2 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 8 + 2 is 10.

Question 20.
8 + 7 =
The sum of the two numbers 8 + 7 is 15.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 8 + 7 is 15.

Question 21.
9 + 1 =
The sum of the two numbers 9 + 1 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 9 + 1 is 10.

Question 22.
9 + 6 =
The sum of the two numbers 9 + 6 is 15.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 9 + 6 is 15.

Question 23.
7 + 3 =
The sum of the two numbers 7 + 3 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 7 + 3 is 10.

Question 24.
7 + 4 =
The sum of the two numbers 7 + 4 is 11.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 7 + 4 is 11.

Question 25.
7 + 5 =
The sum of the two numbers 7 + 5 is 12.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 7 + 5 is 12.

Question 26.
7 + 8 =
The sum of the two numbers 7 + 8 is 15.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 7 + 8 is 15.

Question 27.
6 + 4 =
The sum of the two numbers 6 + 4 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 6 + 4 is 10.

Question 28.
6 + 5 =
The sum of the two numbers 6 + 5 is 11.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 6 + 5 is 11.

Question 29.
6 + 6 =
The sum of the two numbers 6 + 6 is 12.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 6 + 6 is 12.

Question 30.
6 + 8 =
The sum of the two numbers 6 + 8 is 14.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 6 + 8 is 14.

Question 31.
5 + 5 =
The sum of the two numbers 5 + 5 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 5 + 5 is 10.

Question 32.
5 + 6 =
The sum of the two numbers 5 + 6 is 11.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 5 + 6 is 11.

Question 33.
5 + 7 =
The sum of the two numbers 5 + 7 is 12.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 5 + 7 is 12.

Question 34.
5 + 8 =
The sum of the two numbers 5 + 8 is 13.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 5 + 8 is 13.

Question 35.
4 + 6 =
The sum of the two numbers 4 + 6 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 4 + 6 is 10.

Question 36.
4 + 7 =
The sum of the two numbers 4 + 7 is 11.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 4 + 7 is 11.

Question 37.
4 + 8 =
The sum of the two numbers 4 + 8 is 12.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 4 + 8 is 12.

Question 38.
3 + 7 =
The sum of the two numbers 3 + 7 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 3 + 7 is 10.

Question 39.
3 + 9 =
The sum of the two numbers 3 + 9 is 12.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 3 + 9 is 12.

Question 40.
5 + 9 =
The sum of the two numbers 5 + 9 is 14.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 5 + 9 is 14.

Question 41.
2 + 8 =
The sum of the two numbers 2 + 8 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 2 + 8 is 10.

Question 42.
4 + 9 =
The sum of the two numbers 4 + 9 is 13.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 4 + 9 is 13.

Question 43.
1 + 9 =
The sum of the two numbers 1 + 9 is 10.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 1 + 9 is 10.

Question 44.
2 + 9 =
The sum of the two numbers 2 + 9 is 11.

Explanation:
The sum can be defined as the resulting of two or more numbers by adding. So here the sum of the two numbers 2 + 9 is 11.

Eureka Math Grade 2 Module 6 Lesson 4 Problem Set Answer Key

Question 1.
Write a repeated addition equation to find the total of each tape diagram.

a.
_____ + _____ + _____ + _____ = _____

4 groups of 2 = _____
There will be 4 groups of 2 cups is 8 cups and the addition equation is 2 + 2 + 2 + 2= 8 cups.

Explanation:
In the above image, we can see that there are 4 groups, and in each group, we can see that there are 2 cups. So the addition equation to show the number of objects in each group is 2 + 2 + 2 + 2 = 8 cups. So there will be 4 groups of 2 cups.

b.
_____ + _____ + _____ + _____ + _____ = _____

5 groups of _____ = _____
There will be 5 groups of 4 spoons is 20 spoons and the addition equation is 4 + 4 + 4 + 4 + 4 = 20 spoons.

Explanation:
In the above image, we can see that there are 4 groups, and in each group, we can see that there are 2 cups. So the addition equation to show the number of objects in each group is 4 + 4 + 4 + 4 + 4 = 20 spoons.. So there will be 5 groups of 4 spoons.

c.
_____ + _____ + _____ = _____

3 groups of _____ = _____
There will be 3 groups of 5’s is 15 and the addition equation is 5 + 5 + 5 = 15.

Explanation:
In the above image, we can see that there are 3 groups, and in each group, we can see that there are 5’s. So the addition equation to show the number of objects in each group is 5 + 5 + 5 = 15. So there will be 3 groups of 5’s.

d.
_____ + _____ + _____ + _____ + _____ + _____ = _____

_____ groups of _____ = _____
There will be 6 groups of 3’s which is 18 and the addition equation is 3 + 3 + 3 + 3 + 3 + 3= 18.

Explanation:
In the above image, we can see that there are 6 groups, and in each group, we can see that there are 3’s. So the addition equation to show the number of objects in each group is 3 + 3 + 3 + 3 + 3 + 3 = 18. So there will be 6 groups of 3’s.

Question 2.
Draw a tape diagram to find the total.

a. 3 + 3 + 3 + 3 = _____
The total of 3 + 3 + 3 + 3 is 12

Explanation:
In the above, we can see that there are 4 groups of 3’s. So the total of 3 + 3 + 3 + 3 is 12, and it is represented with a tape diagram.

b. 4 + 4 + 4 = _____
The total of 4 + 4 + 4  is 12

Explanation:
In the above, we can see that there are 3 groups of 4’s. So the total of 4 + 4 + 4 is 12, and it is represented with a tape diagram.

c. 5 groups of 2
The total of 2 + 2 + 2 + 2 + 2  is 10.

Explanation:
Given that 5 groups of 2, which means 2 + 2 + 2 + 2 + 2. So the total of 2 + 2 + 2 + 2 + 2  is 10, and it is represented with a tape diagram.

d. 4 groups of 4
The total of 4 + 4 + 4 + 4  is 16.

Explanation:
Given that 4 groups of 4, which means 4 + 4 + 4 + 4 . So the total of 4 + 4 + 4 + 4  is 16, and it is represented with a tape diagram.

e.
There will be 3 groups of 5 dolls which are 15 dolls and the addition equation is 5 + 5 + 5= 15 dolls.

Explanation:
In the above image, we can see that there are 3 groups, and in each group, we can see that there are 5 dolls. So the addition equation to show the number of objects in each group is 5 + 5 + 5 = 15 dolls. So there will be 3 groups of 5 dolls.

Eureka Math Grade 2 Module 6 Lesson 4 Exit Ticket Answer Key

Draw a tape diagram to find the total.

Question 1.

The total of 4 + 4 + 4 is 12.

Explanation:
Given that 4 groups of 4, which means 4 + 4 + 4. So the total of 4 + 4 + 4 is 12, and it is represented with a tape diagram.

Question 2.
3 groups of 3
The total of 3 + 3 + 3 is 9.

Explanation:
Given that 3 groups of 3, which means 3 + 3 + 3. So the total of 3 + 3 + 3 is 9, and it is represented with a tape diagram.

Question 3.
2 + 2 + 2 + 2 + 2
The total of 2 + 2 + 2 + 2 + 2 is 10.

Explanation:
Given that 5 groups of 2, which means 2 + 2 + 2 + 2 + 2. So the total of 2 + 2 + 2 + 2 + 2 is 10, and it is represented with a tape diagram.

Question 1.
Write a repeated addition equation to find the total of each tape diagram.

a.
____ + _____ + _____ + _____ = _____

4 groups of 3 = _____
There will be 4 groups of 3 bicycles which are 12 bicycles and the addition equation is 3 + 3 + 3 + 3= 12 bicycles.

Explanation:
In the above image, we can see that there are 4 groups, and in each group, we can see that there are 3 bicycles. So the addition equation to show the number of objects in each group is 3 + 3 + 3 + 3 = 12 bicycles. So there will be 4 groups of 3 bicycles.

b.
_____ + _____ + _____ + _____ + _____ = _____

5 groups of _____ = _____
There will be 5 groups of 5 skating boards which are 25 skating boards and the addition equation is 5 + 5 + 5 + 5 5= 25 skating boards.

Explanation:
In the above image, we can see that there are 5 groups, and in each group, we can see that there are 5 skating boards. So the addition equation to show the number of objects in each group is 5 + 5 + 5 + 5 + 5 = 25 skating boards. So there will be 5 groups of 5 skating boards.

c.
_____ + _____ + _____ + _____= _____

4 groups of _____ = _____
The total of 4 + 4 + 4 + 4  is 16 and there are 4 groups of 4’s.

Explanation:
Given that 4 groups of 4, which means 4 + 4 + 4 + 4 . So the total of 4 + 4 + 4 + 4  is 16 and there are 4 groups of 4’s.

d.
_____ + _____ + _____ + _____ + _____ + _____ = _____

_____ groups of _____ = _____
The total of 2 + 2 + 2 + 2 + 2 + 2  is 12 and there are 6 groups of 2’s.

Explanation:
Given that 6 groups of 2’s, which means 2 + 2 + 2 + 2 + 2 + 2. So the total of 2 + 2 + 2 + 2 + 2 + 2  is 12 and there are 6 groups of 2’s.

Question 2.
Draw a tape diagram to find the total.

a. 5 + 5 + 5 + 5 = _____
The total of 5 + 5 + 5 + 5 is 20 and there are 4 groups of 5’s.

Explanation:
Given that 4 groups of 5’s, which means 5 + 5 + 5 + 5. So the total of 5 + 5 + 5 + 5  is 20 and there are 4 groups of 5’s.

b. 4 + 4 + 4 + 4 + 4 = _____
The total of 4 + 4 + 4 + 4 + 4 is 20 and there are 5 groups of 4’s.

Explanation:
Given that 4 groups of 5’s, which means 4 + 4 + 4 + 4 + 4. So the total of 4 + 4 + 4 + 4 + 4 is 20 and there are 5 groups of 4’s.

c. 4 groups of 2
The total of 2 + 2 + 2 + 2  is 8 and there are 4 groups of 2’s.

Explanation:
Given that 4 groups of 2’s, which means 2 + 2 + 2 + 2. So the total of 2 + 2 + 2 + 2 is 8 and there are 4 groups of 2’s.

d. 5 groups of 3