Estimation
+ and - decimals
x and / decimals
x and / fractions
Distributive Property
100
Estimate: 7.3 x 8.7
What is 63
100
3.12 + 7.8
What is 10.92
100
2.35 x 1.7
What is 3.995
100
3/4 * 2/7
What is 12/14 = 6/7
100
Distribute: 2 (9 + 6)
What is 30
200
Estimate: 24.85 / 4.8
What is 5
200
In Disney World you walk a lot of miles. On Monday, one family walked 5.7 miles, on Tuesday they walked 6.47 miles, and on Wednesday they walked 8 miles. How many miles did they walk over the three days?
What is 20.17 miles
200
262.2 / 2.3
What is 114
200
5/8 / 5/4
What is 1/2
200
4 (m + 7)
What is 4m + 28
300
Estimate: 6.78 x 9.8
What is 70
300
34.5 - 1.05
What is 33.45
300
A kangaroo can jump three times as high as it is tall. If a kangaroo is 2.75 feet tall, how high can it jump?
What is 8.25 feet
300
8 / 3/4
What is 32/3 = 10 2/3
300
5(2x + 6)
What is 10x + 30
400
A family travels 288.5 miles in 3.2 hours. Estimate the number of miles they can travel in one hour.
What is 100 (or any other reasonable answer)
400
Michael had 8.5 ounces of trail mix. He gave his brother 3.25 ounces. How much trail mix does he have left for himself?
What is 5.25 ounces.
400
It takes 3.2 yards of fabric to make a shirt. If Molly has 16 yards of fabric, about how many shirts can she make?
What is 5 shirts.
400
5/9 / 2
What is 5/18.
400
3(y - 9)
What is 3y - 27
500
36.2 / 5.7
What is 6 or 7
500
2.15 + 7.4 + 9.008
What is 18.558
500
Determine the missing factor: ____ x 2.2 = 9.02
What is 4.1.
500
3 2/5 / 4 1/2
What is 34/45
500
7 ( 2 + x + y)
What is 14 + 7x + 7y