Math Review

Random

100

Symbols which show grouping of numbers.

Parenthesis

200

Round each addend to its greatest place value and find the sum.

365+123=

500

300

Which property of addition matches the definition. 

States that the way addends are grouped does not change the sum. 

Associative Property

400

Which property of addition matches the definition.

States that the order in which numbers are added does not change the sum.

Commutative Property. (Switcheroo Property)

500

Round each addend to its greatest place value and find the sum.

37+21=

60

Addition Patterns

100

10 more than 310

320

200

100 more than 173

273

300

Complete the number sentence.

974+____=975

1

400

Complete the number sentence.

8,264 + _____=9,264

1,000

500

Complete the number sentence.

4,362+_____=4,372

10

Adding mentally

100

54+23=

77

200

67+32=

99

300

234+161=

395

400

112+136=

248

500

747+121=

868

Rounding

100

45;tens

50

200

86;tens

90

300

543;hundreds

500

400

1,582;hundreds

1,600

500

1,856;tens

1,860

Addition Properties

100

Find each sum. Identify the property.

8+9 = 9+8

17; Commutative

200

Find each sum. Identify the property.

(9+3) + 2=9+(2+3)

14;Associative

300

Find each sum. Identify the property.

53+0=

0;Identity

400

Find each sum. Identify the property.

5+(6+3)=6+(3+5)

14;Associative

500

Find each sum. Identify the property.

8+2=2+8

10;commutative