Math Target Review Skills

Addition

100

10+7=?

17

200

43+29=?

72

300

169+55=?

224

400

386+145=?

531

500

1,045 + 205 = ?

1,250

Subtraction

100

14 - 9 = ?

5

200

48 - 23 = ?

25

300

What do we say when we check the ones place if the greater number is on the floor?

(Hint: Finish the following chant - More on the floor...)

More on the floor, go next door, and borrow 10 more.

400

94 - 47 = ?

47

500

159 - 88 = ?

71

Arrays

100

Write the multiplication number model for this array. (Remember: number of rows times the number in each row)  

x x x x x x
x x x x x x

2 x 6 = 12

200

Write the multiplication number model for this array. (Remember: number of rows times the number in each row)  

x x x x
x x x x
x x x x
x x x x
x x x x

5 x 4 = 20

300

Draw an array that shows the following number model.

3 x 9 = ? 

x x x x x x x x x
x x x x x x x x x
x x x x x x x x x

400

Draw an array that shows the following number model.

5 x 3 = 15

x x x x x
x x x x x
x x x x x

500

Are these arrays equal?

x x x x
x x x x

x x
x x
x x
x x
x x

Yes.

2 x 4 = 8   and   4 x 2 = 8

Multiplication

100

5 x 6 = ?

30

200

10 x 4 = ?

40

300

5 x 9 = ?

45

400

2 x 8 = ?

16

500

2 x 40 = ?

80

Rounding/Estimating

100

Round the number to the nearest 10

57

60

200

Round the number to the nearest 10

93

90

300

Round the number to the nearest hundred 

289

300

400

Round the number to the nearest 100

742

700

500

Round the number to the nearest 10

168

170