Estimating Quotients
Estimate the quotient of 412 / 19
(HINT: Write the number sentence and estimated answer)
400 / 20 = 20
Solve: 144 / 12
12
Estimate 48 x 21
(HINT: Write the number sentence and estimated answer)
50 x 20 = 1,000
48 x 20 = 960
Multiply 25 x 14
350
Sarah buys 3 notebooks for $2.50 each. How much change does she get from a $10 bill? (HINT: Include a UNIT)
$2.50
Solve: 45 x 102
4500
Estimate: 55.8 / 7
(HINT: Write the number sentence and estimated answer)
56 / 7 = 8
Solve: 6.4 / 8
0.8
Estimate 6.2 x 9.8
(HINT: Write the number sentence and estimated answer, use rounding strategy)
6 x 10 = 60
Multiply 0.5 x 0.9
0.45
A box of 12 donuts costs $9.60. How much does one donut cost? (HINT: Include a UNIT)
$0.80
Solve: 1,200 / 103
1.2
Estimate: 14.9 / 3.1
(HINT: Write the number sentence and estimated answer)
15 / 3 = 5
Find the quotient: 15.6 / 3
5.2
Estimate 24.5 x 4.2
(HINT: Write the number sentence and estimated answer, use rounding strategy)
25 x 4 = 100
Find the product: 1.25 x 6
7.5
A race is 5.5 kilometers long. If Mark runs 3 laps of the race, how many total kilometers did he run? (HINT: Include a UNIT)
16.5km
Solve: 85.3 x 103
85,300
Estimate 824 / 38
(HINT: Write the number sentence and estimated answer)
800 / 40 = 20
Solve: 1.25 / 0.5
(Write the equivalent equation and quotient)
125 / 5 = 2.5
Estimate the total cost of 12 items that cost $3.95 each.
(HINT: Write the number sentence and estimated answer, use rounding strategy)
12 x 4 = $48
Solve: 4.2 x 0.15
0.63
A group of 4 friends bought a large pizza for $18.50 and 4 drinks for $1.25 each. If they split the total cost equally, how much does each person pay? (HINT: Round answer to the nearest hundredth, include a UNIT)
$5.88
Solve: 6.2 /102
0.062
Estimate 245.2 / 48.9
(HINT: Write the number sentence and estimated answer)
250 / 50 = 5
300 / 50 = 6
Solve: 45.5 / 0.05
(Write the equivalent equation and quotient)
4550 / 5 = 910
Estimate 19.8 x 0.52
(HINT: Write the number sentence and estimated answer, use rounding strategy)
20 x 1 = 20
Multiply 124 x 3.2
396.8
A garden is 12.5 feet long and 8 feet wide. If you want to put a fence around it that costs $2.00 per foot, what is the total cost? (HINT: Include a UNIT)
$82.00
Solve: 0.004 x 104
40
Estimate 1,234 / 11.2
(HINT: Write the number sentence and estimated answer)
1,200 / 12 = 100
1,100 / 11 = 100
Solve: 1,024 / 32
32
A car travels 58.7 miles per hour. Estimate how far it will travel in 4.2 hours
(HINT: Write the number sentence and estimated answer)
60 x 4 = 240 miles
Solve: 0.25 x 0.25
0.0625
A baker uses 2.5 cups of flour for one cake. If he makes 5 cakes but spills 1.25 cups of flour on the floor, how much flour did he use in total? (HINT: Include a UNIT)
13.75 cups in total
Solve: 35 / 102
0.35