Chapter 2 Lessons 1, 2, & 4: 4th Grade Review

Properties & Rules

100

Identify the Property:

4 + 5 = 5 + 4

Commutative

200

Identify the Property:

8 + 0 = 8

Identity

300

Identify the Property:

(6 + 8) + 6 = 20

Associative

400

Identify the Rule:

65 - 0 = 65

Subtract by 0

500

Identify the Rule:

96 - 96 = 0

Subtract by Itself

Solve/Fill In Missing Numbers

100

Solve:

29 - 0 = ___

29

200

Solve:

(6 + 9) + 8 = ___

23

300

Solve:

13 + 16 = ___

16 + 13 = ___

29

400

Find the missing number:

17 + ___ = 25

___ + 17 = 25

8

500

Find the missing number:

(5 + 4) + 9 = 5 + (___ + 9)

4

Addition Patterns

100

What are the next 2 numbers if you continue to add by 3?

9, 12, 15, ___, ___

18 & 21

200

What are the next 2 numbers if you continue to add by 7?

7, 14, 21, ___, ___

28 & 35

300

Identify the addition pattern:

510, 520, 530, 540

Add by 10 (+10)

400

Identify the addition pattern:

490, 590, 690, 790

Add by 100 (+100)

500

Identify the addition pattern:

1,347; 2,347; 3,347; 4,347

Add by 1,000 (+1,000)

Estimate Sums

100

Estimate. Round each number to the nearest ten.

86 + 42 = ?

130

200

Estimate. Round each number to the nearest ten.

123 + 144

260

300

Estimate. Round each number to the nearest hundred.

573 + 651

1,300

400

Estimate. Round each number to the nearest thousand.

3,582 + 8,217

12,000

500

Estimate. Round each number to the nearest thousand.

26,931 + 56,082

83,000

Estimate Differences

100

Estimate. Round each number to the nearest ten.

76 - 54

130

200

Estimate. Round each number to the nearest ten.

868 - 620

300

300

Estimate. Round each number to the nearest hundred.

732 - 482

200

400

Estimate. Round each number to the nearest thousand.

5,492 - 2,837

2,000

500

Estimate. Round each number to the nearest thousand.

34,829 - 21,630

13,000