Semester 1 Math Review

Multiplying/Dividing

100

6 x 8 = ?  

48

200

56 ÷ 7 =

56 ÷ 7 = 8 

300

23 x 9 = 

207 

400

246 ÷ 6 = 

41 

500

45 x 23 = ? 

1,035 

Adding/Subtracting

100

35 - 18 = ?

35 - 18 = 17

200

108 + 89 = ? 

197

300

20 - 18.5 = 

1.5 

400

30.5 + 40.16 = 

70.66 

500

10 - 4.53 = 

5.47

Vocabulary

100

______________ is the answer to an addition equation 

Sum 

200

4 x 6 = 24       24 is the _________ 

Product 

300

10³        The 3 is an __________ 

exponent

400

The answer to a division equation is a __________ 

quotient 

500

A strategy where you solve a multiplication problem by splitting it into smaller equations 

partial product strategies 

Multiplying/Dividing DECIMALS

100

4.5  ÷  9 =

4.5  ÷  9 = .5 

200

.7 x .4 =

.7 x .4 = .28

300

132.8  ÷  4 =

132.8  ÷  4 = 33.2 

400

3.7 x 8 =

 3.7 x 8 = 29.6 

500

42 ÷ 8 =

42 ÷ 8 = 5.25 

Random

100

10² =

10² = 10 x 10 = 100

200

356 rounded to the nearest TEN is ________ 

360 

300

Which number would you NOT hit skip counting by 3's? 18,   33,  46,   54 

46! 

400

2.08 x 10³ = ? 

2.08 x 103 = 2,080

500

26 x 14 can be solved with 

20 x 10, 20 x 4, 6 x 10 and _________ 

6 x 4