Go through the **Spectrum Math Grade 2 Answer Key Chapter 3 Pretest **and get the proper assistance needed during your homework.

## Spectrum Math Grade 2 Chapter 3 Pretest Answers Key

**Check What You Know**

**Adding and Subtracting 2-Digit Numbers(No Renaming)**

**Add.**

Answer:

Let us add two digit numbers 26 and 31.

26 + 31 = 57.

By adding two addends 26+31 we will get the sum of 57.

Explanation:

Answer:

Let us add two digit numbers 34 and 40.

34 + 40 = 74.

By adding two addends 34+40 we will get the sum of 74.

Explanation:

Answer:

Let us add two digit numbers 22 and 76.

22 + 76 = 98.

By adding two addends 22+76 we will get the sum of 98.

Explanation:

Answer:

Let us add two digit numbers 53 and 6.

53 + 6 = 59.

By adding two addends 53+6 we will get the sum of 59.

Explanation:

Answer:

Let us add two digit numbers 16 and 53.

16 + 53 = 69.

By adding two addends 16+53 we will get the sum of 69.

Explanation:

Answer:

Let us add two digit numbers 17 and 42.

17 + 42 = 59.

By adding two addends 17+42 we will get the sum of 59.

Explanation:

Answer:

Let us add two digit numbers 81 and 10.

81+10 = 91.

By adding two addends 81+10 we will get the sum of 91.

Explanation:

Answer:

Let us add two digit numbers 34 and 5.

34+5 = 39.

By adding two addends 34+5 we will get the sum of 39.

Explanation:

Answer:

Let us add two digit numbers 24 and 34.

24 + 34 = 58.

By adding two addends 24+34 we will get the sum of 58.

Explanation:

Answer:

Let us add two digit numbers 42 and 51.

42+51 = 93.

By adding two addends 42+51 we will get the sum of 93.

Explanation:

Answer:

Let us add two digit numbers 26, 13, and 31.

14+13+12 = 39.

By adding two addends 14+13+12 we will get the sum of 39.

Explanation:

Answer:

Let us add two digit numbers 46, 20 and 2.

46+20+2 = 68.

By adding two addends 46+20+2 we will get the sum of 68.

Explanation:

Answer:

Let us add two digit numbers 16,41 and 21.

16+41+21 = 78.

By adding two addends 16+41+21 we will get the sum of 78.

Explanation:

Answer:

Let us add two digit numbers 22,30 and 44.

22+30+44 = 96.

By adding two addends 22+30+44 we will get the sum of 96.

Explanation:

Answer:

Let us add two digit numbers 40,16 and 3.

40+16+3 = 59.

By adding two addends 40+16+3 we will get the sum of 59.

Explanation:

**Subtract.**

Answer:

Let us subtract 41 from 46.

By subtracting the numbers 46-41 the answer is 5.

Explanation:

Answer:

Let us subtract 77 from 50.

By subtracting the numbers 77-50 the answer is 27.

Explanation:

Answer:

Let us subtract 63 from 43.

By subtracting the numbers 63-43 the answer is 20.

Explanation:

Answer:

Let us subtract 19 from 6.

By subtracting the numbers 19-6 the answer is 13.

Explanation:

Answer:

Let us subtract 35 from 13.

By subtracting the numbers 35-13 the answer is 22.

Explanation:

Answer:

Let us subtract 57 from 33.

By subtracting the numbers 57-33 the answer is 24.

Explanation:

Answer:

Let us subtract 88 from 61.

By subtracting the numbers 88-61 the answer is 27.

Explanation:

Answer:

Let us subtract 97 from 47.

By subtracting the numbers 97-47 the answer is 50.

Explanation:

Answer:

Let us subtract 29 from 12.

By subtracting the numbers 29-12 the answer is 17.

Explanation:

Answer:

Let us subtract 48 from 45.

By subtracting the numbers 48-45 the answer is 3.

Explanation:

Answer:

Let us subtract 39 from 4.

By subtracting the numbers 39-4 the answer is 35.

Explanation:

Answer:

Let us subtract 44 from 13.

By subtracting the numbers 44-13 the answer is 31.

Explanation:

Answer:

Let us subtract 67 from 61.

By subtracting the numbers 67-61 the answer is 6.

Explanation:

Answer:

Let us subtract 99 from 79.

By subtracting the numbers 99-79 the answer is 20.

Explanation:

Answer:

Let us subtract 54 from 32.

By subtracting the numbers 54-32 the answer is 22.

Explanation:

**Solve each problem.**

Mara sees 46 . Some flew away.

46 – = 24

Patrick sees only 24 .

How many flew away? ______

Answer:

The number of birds flew away are 22 birds.

Explanation:

Given, there are 46 birds and some flew away. As Patrick sees only 24, so the number of birds flew away are 46-24 which is 22 birds.

36 are on the lake.

22 are on the shore.

How many are there in all? _______

Answer:

The number of birds are there in all is 14 birds.

Explanation:

Given, there are 36 birds on the lake and 22 are on the shore, so the number of birds are there in all is 36-22 which is 14 birds.

The store has 37

It has 25 . How many more

does it have than _____ ?

Answer:

There are 12 more bats than balls.

Explanation:

Given that there are 37 bats and 25 balls. So the number of bats more than balls are 37-25 which is 12 bats.

58 are on the field.

45 of the are playing soccer.

How many are not playing soccer? ___

Answer:

The number of people who are not playing soccer is 13 people.

Explanation:

Given that there are 58 people on the field and 45 people are playing soccer. So the number of people who are not playing soccer is 58-45 which is 13 people.

Martina spends 53⊄

Dave spend 41⊄

How much more does Martina spend? _____ ⊄

Answer:

Explanation:

Given that Martina spent 53⊄ and Dave spends 41⊄. So Martina spends 53-41 which is 12⊄ more than Dave.