Estimating products
32 X 59
30 X 60 = 1800
15 X 4
60
60 / 3
20
Solve using an area model
76 X 22
1672
1/2 X 4
(Answer in simplest form)
2
46 X 88
46 rounds up to 50 and 88 rounds up to 90
50 X 90 = 4500
47 X 94
4,418
86
Solve using ANYTHING BUT the standard algorithm
465 / 15
31
2 (5 X 4) + 18 / 3
46
479 X 22
479 rounds up to 500 and 22 rounds down to 20
500 X 20 = 10000
55 X 88
4,840
1248 / 16
78
Solve using the standard algorithm
987 X 89
87,843
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%
405 / 41
405 rounds down to 400 and 41 rounds down to 40
400 / 40 = 10
389 X 40
15,560
5214 / 39
133 R27
Solve using the standard algorithm
7230 / 30
241
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
1815 / 288
1850 rounds down to 1800 and 288 rounds up to 300
1800 / 300 = 6
847 X 92
77,924
8835 / 59
149 R44
Solve two ways
40 X 349
13, 960
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