2nd Grade Unit 2 Review

Addition

100

25 + 17 = 

42

200

53 + 14 = ?

67

300

? = 22 + 19

41

400

Braxton ran 42 feet down the field. Quintavuis ran 17 feet down the field. How many feet did they run in all?

59

500

Ms. Rich says 28+47=75. Ms. Parham says 28+47=95. Who is correct? 

Ms. Rich is correct.

Subtraction

100

12 - 8 = ?

4

200

34 - 18 = ?

16

300

63 - 22 = ?

41

400

Which of the following can be used to check this number sentence? 

6 + □ = 9

a. 6 - □ = 9

b. 6 + 9 = □

c. 9 - 6 = □

d. 9 + □ = 6

c. 9 - 6 = □

500

A yellow string is 72 inches long. A blue string is 12 inches long. How much longer is the yellow string than the blue string?

The yellow string is 60 inches longer than the blue string.

Ten More/ Ten Less

100

Ten more than 35.

45

200

Ten more than 74.

84

300

Ten less than 99.

89

400

Ten less than 372.

362

500

What happens when you subtract 330 - 10?

a. The number in the hundreds place decreases 1.

b. The number in the hundreds place increases 1.

c. The number in the tens place decreases by 1.

d. The number in the tens place increases by 1.

c. The number in the tens place decreases by 1.

Place Value

100

How many hundreds are in 731?

7 hundreds

200

How many hundreds are in 294?

2 hundreds

300

Which two answer choices are the same as 246? 

a. 240 tens and 6 ones

b. 24 tens and 6 ones

c. 246 ones

d. 2 hundreds and 46 tens

b. 24 tens and 6 ones

c. 246 ones

400

Which two answer choices are the same as 391? 

a. 391 tens

b. 39 tens and 1 ones

c. 391 ones

d. 3 hundreds and 91 tens

b. 39 tens and 1 ones

c. 391 ones

500

Which two answer choices are the same as 401? 

a. 400 tens and 1 ones

b. 401 tens

c. 4 hundreds and 1 ones

d. 3 hundreds and 10 tens and 1 ones

c. 4 hundreds and 1 ones

d. 3 hundreds and 10 tens and 1 ones

Mystery

100

What is the pattern increasing by? 

2, 4, 6, 8, 10...

2

200

There are 107 red counters. There are 127 yellow counters. Which comparison is true? 

a. 107 > 127 because 0 tens is greater than 2 tens.

b. 127 > 107 because 2 tens is greater than 0 tens.

c. 107 = 127 because 1 hundred is equal to 1 hundred.

b. 127 > 107 because 2 tens is greater than 0 tens.

300

There are 37 girls. There are 47 boys. Which comparison is true? 

a. 37 > 47 because 3 tens is greater than 4 tens.

b. 47 > 37 because 4 tens is greater than 3 tens.

c. 47 = 37 because 7 ones is equal to 7 ones.

b. 47 > 37 because 4 tens is greater than 3 tens.

400

What is the pattern increasing by? 

41, 51, 61, 71, 81...

10

500

What number is being added to the pattern? 

18, 20, 22, 24, 26...

a. 10

b. 5

c. 25

d. 2

d. 2