Enter Title

Estimating products

100

32 X 59

32 rounds down to 30  and  59 rounds up to 60

30 X 60 = 1800

200

46 X 88

46 rounds up to 50  and  88 rounds up to 90

50 X 90 = 4500

300

479 X 22

479 rounds up to 500  and  22 rounds down to 20

500 X 20 = 10000

400

405 / 41

405 rounds down to 400  and  41 rounds down to 40

400 / 40 = 10

500

1815 / 288

1850 rounds down to 1800 and 288 rounds up to 300

1800 / 300 = 6 

Multiplication

100

15 X 4

60

200

47 X 94

4,418

300

55 X 88

4,840

400

389 X 40

15,560

500

847 X 92

77,924

Division

100

60 / 3

20

200

258 /3

86

300

1248 / 16

78

400

5214 / 39

133 R27

500

8835 / 59 

149 R44

specific solving Mixed practice

100

Solve using an area model

76 X 22

1672

200

Solve using ANYTHING BUT the standard algorithm 

465 / 15

31

300

Solve using the standard algorithm 

987 X 89

87,843

400

Solve using the standard algorithm 

7230 / 30

241

500

Solve two ways

40 X 349

13, 960

Spiral

100

1/2 X 4

(Answer in simplest form)

2

200

2 (5 X 4) + 18 / 3

46

300

Kaci's phone is down to 18% battery life. If the phone uses 1/6 of its battery life every minute how many % does she lose each minute?

3%

400

Brayden has 5 cups of almonds; he wants to divide them into bags for the trail mix. If he uses a 1/4 cup scoop how many bags of trail mix will Brayden get?

20

500

Ms. Levisky got a box that is 8 feet in length, 9 feet in height and is 4 feet wide. She wants to fill it with her Rubix Cube collection. Her Rubix Cubes are 1-foot square Cubes. How many cubes can she fit in the box

288