Math Review U3

multiplication

100

what number would make this true? 

4x___ = 16 

4

200

write 7x4 as a repeated addition equation

7x7x7x7 OR 4x4x4x4x4x4x4

300

Finish the following fact family 

8x7=56

7x8=56

56/7=8

56/8=7

division

100

what is 72/7? 

9

200

what is 56/8? 

7

300

what is 28/4? 

7

area

100

find the area of the rectangle if one side is 4 inches and the other side is 3 inches

12 inches

200

find the area of the rectangle if one side is 7 inches and the other side is 3 inches

21 inches

300

find the area of the rectangle if one side is 12 inches and the other side is 5 inches

60 inches 

addition/subtraction

100

   542

 +258

_______

800

200

   345

+ 987

  _____

1,332

300

   421

- 141

______

280

400

   600

- 135

_______

465

rounding

100

round 123 to the nearest 10

120

200

round 1,372 to the nearest 100

1,400

300

round 23,890 to the nearest 100

23,900

400

round 73,998 to the nearest 10

74,000