2nd Quarter E14 Math Review

Division

100

90÷9=

10

200

48÷4=

12

300

121÷11=

11

400

72÷12=

6

500

144÷12=

12

Multiplication

100

3x3=

9

200

5x6=

30

300

6x7=

42

400

8x9=

72

500

11x12=

132

Addition

100

7+8=

15

200

20+13=

33

300

32+13=

45

400

37+13=

50

500

64+16=

80

Subtraction

100

22-4=

18

200

37-10=

27

300

49-12=

37

400

53-24=

29

500

65-28=

37

Properties of Multiplication/Divison

100

Name the Property.

Any number multiplied by 0 is 0.

Zero Property of Multiplication

Fact: When you divide a number with 0, the answer is "undefined". However, 0 will still be an acceptable answer. 

200

Name the Property.

Any number multiplied with 1 stays the same.

Identity Property of Multiplication

300

For 500 points. Name the property.

Changing the order of the factors does not change its product. 5x8=8x5

Commutative Property of Multiplication

400

Name the property. 

Changing the grouping, does not change its product.  

6x(2x3) = (6x2)x3

Associative Property of Multiplication

500

Name the property.

Multiplying a number by a sum is the same as multiplying the number by each part of the sum and then adding the results. 

3x(4+5)=(3x4)+(3x5)

Distributive Property of Multiplication