Estimating
4,689 + 2,469; thousands
7,000
1392 ÷ 58
24
Write 8 x 8 x 8 in exponential form
8^3
9 + 27 ÷ 3
18
15 + 17 + 3 + 5
40
6,570 + 3,609; thousands
11,000
45,025 ÷ 25
1,801
Write 6 x 6 x 6 x 6 x 6 in exponential form
6^5
(5-3) ÷ 2
1
6 + 21 + 14 + 9
50
37,097 - 20,364; ten thousands
20,000
32,544 ÷ 36
904
Solve
80^2
6,400
12 + (1+7^2) ÷ 5
22
6 x 12 x 5
360
TRPR uses 28 softballs every year. About how many softballs will they use in 5 years?
150 softballs
A train travels 2,982 miles at an average speed of 42 miles per hour. At that speed, how long will the train take to complete its trip?
71 hours
Solve
11^3
1,331
(15-6)^2 - 34 ÷ 2
64
8 x 11 x 5
440
One quart of paint covers an area of 100 square feet. How many quarts are needed to paint a wall 8 feet tall and 19 feet wide?
2 quarts
Steve worked 36 hours last week and earned a total of $486.00. How much did Steve earn per hour?
$13.50
Compare. Write <, >, or =
100^2 10^4
=
3^2 + (9 ÷ 3 - 2)
10
Are these expressions equal?
14 + 7 + 6
6 + 14 + 7
yes, commutative property