Module 2 (Overview)

Multiplication

100

60 x 100

6000

200

718 x 2

1436

300

814 x 39

31,746

400

4.5 x 1000

4,500

500

8.26 × 128

1,057.28

Rounding

100

Round 146.8 to the nearest ones place. 

147

200

Round to the nearest hundreds place. 

569

600

300

Round to the nearest tens place 

14,561

14,560

400

Round to the nearest tenth. 

143.56

143.6

500

Round to the nearest thousands place.

23,789

24,000

Estimating

100

Round then estimate 

72 ÷ 21

60 ÷ 20=3

200

Round and estimate

94 ÷ 43

80 ÷ 40=2

300

84 ÷32

90 ÷30=3

400

Round then estimate 

256 ÷ 47

250÷50=5

500

Round then estimate 

712  ÷94

720÷90=8

Division

100

54 ÷ 10

54 ÷ 10=5.4

200

54 ÷ 90

54 ÷ 90=.6

300

Solve, a remainder is okay. 

904 ÷ 32

904 ÷ 32= 28 r2

400

834.6 ÷ 26

834.6 ÷ 26= 32.1

500

48.36 ÷ 39

48.36 ÷ 39=1.24

Word problem

100

Two friends share 76 blueberries. How many blueberries will each friend get? 

Each friend will get 38 blueberries. 

200

Marti’s photo album has a total of 45 pictures. Each page holds 4 pictures. She said she can only fill 10 pages completely. Do you agree? Explain why or why not.

No because she 45 divided by 4 is 11 with a remainder of 1.

300

Mayra has 532 plushies she wants to share evenly with 4 classes. How many plushies will each class get? 

Each class with 133 plushies each. 

400

A teacher has 2 boxes of pencils.One box has 173 pencils and the other has 149. The teacher puts the pencils together and split them into 7 cups. How many pencils go in each cup?

46 pencils in each cup. 

500

Marbles are sold in bags of 23. Igy has 1495 marbles, how many bags of marbles does he have? 

He has 65 bags of marbles.