MATH

Addition

100

(8+9)+2=

19

200

6+(8+2)=

16

300

(2+3)+5=

10

400

9+(9+9)=

27

500

20+(12+23)=

55

Subtraction

100

20-2=

18

200

3-(5-2)=

0

300

(5-2)-1=

2

400

(9-5)-2

2

500

9-(5-3)=

7

Multiplication

100

(2x2)x4=

16

200

(10x3)x1=

30

300

5x(2x2)=

20

400

(10x5)x0=

0

500

(10x10)x2=

200

Properties

100

What property is shown:

7+8 = 8+7

Commutative Property of Addition

200

What property is shown:

7+(4+5)=(7+4)+5

Associative Property of Addtion

300

What property is shown:

7x8=8x7

Commutative Property of Multiplication

400

When addends are switched in an addition equation, the sum will be the same. What is this property called when this happens?

The Associative Property of Addition

500

Explain the Commutative Property.

The Commutative Property says that you can add or multiply by changing the order of numbers and you will still get the same answer.

Rounding

100

Round the number 543  to the nearest hundred.

500

200

Round the number 658 to the nearest hundred.

700

300

Round the number 643 to the nearest hundred.

600

400

Round the number 238 to the nearest hundred.

200

500

Round the number 895

900