Go through the Spectrum Math Grade 2 Answer Key Chapter 4 Lesson 4.2 Addition Practice and get the proper assistance needed during your homework.   Add the ones 3 and 8 we get 11.
1 will be carried to the tens place.
Add the tens 1, 1, and 5 we get 7.
The sum is 71.  Add the ones 2 and 9 we get 11.
1 will be carried to the tens place.
Add the ten 1, and 4 we get 5.
The sum is 51.  Add the ones 6 and 7 we get 13.
1 will be carried to the tens place.
Add the ten 1, 2 and 5 we get 8.
The sum is 83.  Add the ones 8 and 2 we get 10.
1 will be carried to the tens place.
Add the ten 1, 3 and 2 we get 6.
The sum is 60.  Add the ones 5 and 9 we get 14.
1 will be carried to the tens place.
Add the ten 1, 1 and 4 we get 6.
The sum is 64.  Add the ones 5 and 8 we get 13.
1 will be carried to the tens place.
Add the ten 1, 5 and 1 we get 7.
The sum is 73.  Add the ones 2 and 9 we get 11.
1 will be carried to the tens place.
Add the ten 1, 3 and 2 we get 6.
The sum is 61.  Add the ones 6 and 4 we get 10.
1 will be carried to the tens place.
Add the ten 1, and 5 we get 6.
The sum is 60.  Add the ones 8 and 7 we get 15.
1 will be carried to the tens place.
Add the ten 1, and 6 we get 7.
The sum is 75.  Add the ones 9 and 8 we get 17.
1 will be carried to the tens place.
Add the ten 1, 3 and 2 we get 6.
The sum is 67.  Add the ones 3 and 8 we get 11.
1 will be carried to the tens place.
Add the ten 1, and 3 we get 4.
The sum is 41.  Add the ones 3 and 9 we get 12.
1 will be carried to the tens place.
Add the ten 1, 5 and 2 we get 8.
The sum is 82.  Add the ones 7 and 5 we get 12.
1 will be carried to the tens place.
Add the ten 1, 6 and 2 we get 9.
The sum is 60.  Add the ones 6 and 6 we get 12.
1 will be carried to the tens place.
Add the ten 1, 1 and 3 we get 5.
The sum is 52.  Add the ones 8 and 4 we get 12.
1 will be carried to the tens place.
Add the ten 1, 7 and 1 we get 9.
The sum is 92.  Add the ones 4 and 9 we get 13.
1 will be carried to the tens place.
Add the ten 1, 3 and 1 we get 5.
The sum is 53.  Add the ones 8 and 3 we get 11.
1 will be carried to the tens place.
Add the ten 1, and 4 we get 5.
The sum is 51.  Add the ones 4 and 7 we get 11.
1 will be carried to the tens place.
Add the ten 1, 2 and 4 we get 7.
The sum is 71.  Add the ones 5 and 5 we get 10.
1 will be carried to the tens place.
Add the ten 1, 3 we get 4.
The sum is 40.  Add the ones 4 and 7 we get 11.
1 will be carried to the tens place.
Add the ten 1, 5 and 2 we get 8.
The sum is 81.  Add the ones 3 and 7 we get 10.
1 will be carried to the tens place.
Add the ten 1, 4 and 1 we get 6.
The sum is 60.  Add the ones 6 and 6 we get 12.
1 will be carried to the tens place.
Add the ten 1 and 7 we get 8.
The sum is 82.  Add the ones 3 and 9 we get 12.
1 will be carried to the tens place.
Add the ten 1, 2 and 6 we get 9.
The sum is 92.  Add the ones 6 and 9 we get 15.
1 will be carried to the tens place.
Add the ten 1, 4 and 1 we get 6.
The sum is 65.  Add the ones 9 and 3 we get 12.
1 will be carried to the tens place.
Add the ten 1, 5 and 1 we get 7.
The sum is 72.  Add the ones 8 and 2 we get 10.
1 will be carried to the tens place.
Add the ten 1, 7 and 1 we get 9.
The sum is 90.  Add the ones 7 and 6 we get 13.
1 will be carried to the tens place.
Add the ten 1, 2 and 5 we get 8.
The sum is 83.  Add the ones 4 and 9 we get 13.
1 will be carried to the tens place.
Add the ten 1, 3 and 2 we get 6.
The sum is 63.  Add the ones 9 and 5 we get 14.
1 will be carried to the tens place.
Add the ten 1, 1 and 6 we get 8.
The sum is 84.  Add the ones 6 and 9 we get 15.
1 will be carried to the tens place.
Add the ten 1, 3 and 4 we get 8.
The sum is 85.

Solve each problem.

Cara has 35 .
Ben has 39 .
How many do they have in all? 74 Marcus has 48 .
May has 36 .
Together, they use 30 to mail cards.
How many do they have left? _______
Given that,
Marcus has 48 .
May has 36 .
48 + 36 = 84 84 – 30 = 54 Thus 54 are left with Marcus and May.

Pedro picks 33 .
Jessica picks 28 .
How many do they pick ¡n all? ______
Given that,
Pedro picks 33 .
Jessica picks 28 .
33 + 28 = 61 Thus they pick 61 in all.

There are 24 students with or . 9 + = 24
There are 9 students with .
How many students have ? _____
Given that,
There are 24 students with or . 9 + = 24 = 24 – 9 = 15
Thus 15 students have Toya picks 15 .
Jon picks 16 .
How many do they pick in all? _______
Toya picks 15 .
Jon picks 16 .
15 + 16 = 31 Thus they pick 31 in all.