Math review-SMITH CLASS 121

Area

100

Draw an array with 5 rows and 6 columns. What is the multiplication expression and total?

5x6=30

200

There is a rectangle with a total area of 48

One side of the rectangle is 6 cm. What is the length of the other side? 

8 cm

300

Draw an array with 7 rows and 3 columns. What is the area of the array? Write the multiplication expression AND the answer. 

7x3=21

400

There is a rectangle with 72 as the area. One side of the rectangle is 12 cm. What is the length of the other side?

6 cm

500

what operation do you need to do when trying to find area? 

Multiply 

Rounding

100

Round 710 to the nearest hundred 

700

200

Round 168 to the nearest 10

170

300

Round 7,513 to the nearest thousand

8,000

400

Round 63,871 to the nearest hundred

63,900

500

Round 76,987 to the nearest ten

76,990

Multiplication

100

9X4

36

200

11x10

110

300

12x5

60

400

9x9

81

500

12x12

144

Division

100

25 divided by 5

5

200

18 divided by 6

3

300

42 divided by 7

6

400

99 divided by 11

9

500

132 divided by 12

11

Distributive property

100

write 8x7 as distributive property

(4x7)+(4x7)

28+28=56

(4x8)+(3x8)

32+24=56

200

Write 6x9 as distributive property

(4x6)+(5x6)

24+30=54

(3x9)+(3x9)

27+27=54

300

What is the multiplication expression for 

(5x6)+(3x6)

WRITE THE TOTAL AS WELL

8x12=96

400

What is the multiplication expression for 

(3x9)+(8x9)

WRITE THE TOTAL AS WELL

11x9=99

500

What is the multiplication expression for 

(4x12)+(3x12)

WRITE THE TOTAL AS WELL

7x12=84