At one store, an 18-speed bicycle costs $174.99. At another store, the same bicycle costs $222.98. What is the difference in prices?
$47.99
100
Round 89,237.54987 to the nearest hundredth
89,237.55
100
first estimate, then find the sum: 0.33 + 1.11 + 3.2
about 4; 4.64
100
Find this product: 53 (0.04)
2.12
100
What is the correct order of operations so everyone gets the same value for an expression
1. Parentheses
2. Exponents
3. Multiplication and Division (left to right)
4. Addition and Subtraction (left to right)
200
Mercury is about 36 million miles from the sun. Jupiter is about 13.43 times that distance. About how far is Jupiter from the sun?
483.48 million miles
200
Use Rounding to estimate the sum: 4.29 + 8.89
about 13
200
First estimate, then find the difference: 9 - 0.45
about 9; 8.55
200
Find this product: 1.7 x 3.702
6.2934
200
find the value of this expression: 3.4 + 5 x 2 - 1.7
11.7
300
Pencils come in packages of 10 each. Packages are packed in 20 to a box, and boxes are packed 500 to a carton. How many pencils are in a carton?
100,000 pencils
300
Use compatible numbers and estimate: 29.56 ÷ 4.13.
28 ÷ 4 = 7
300
First estimate and then find the difference: 8.91 - 6.08
about 3; 2.83
300
29.5 ÷ 0.4
73.75
300
Find the value of this expression: 26 + 4.6 - 4 x 2.4
21
400
Alika uses 0.5 pound of strawberries in each smoothie. How many smoothies can Alika make with 2.25 pounds of strawberries?
division problem: 4.5 smoothies, well probably not 0.5 of a smoothie, so 4 smoothies
400
Use compatible numbers to estimate 73.25 x 9.43
70 x 10 = 700
400
First estimate and then find the sum: 6.2 + 0.444
about 6; 6.644
400
Use mental math to solve: 1.37 ÷ 100
0.0137
400
Find the value of this expression: 4 x 3 + 20 ÷ 5
16
500
A scientist used a cylinder as a vase for a rose. Each day, 14 mL of water evaporated. The water level originally read 100 mL. How much water remained after 4 days?
44 mL
500
write eight million, four hundred five and thirty-one hundredths in standard form.
85,000,405.31
500
Jack went to the Halloween costume store and bought a Harry Potter wand for $6.78, Harry Potter glasses for $5.64 and a cape for $25.89. How much did he pay in total for this awesome costume?
$38.31
500
328.25 ÷ 13
25.25
500
Writing in Math: Explain the steps you would use to find the value of the expression 8 ÷ 4 x 6 + (7-5)
PEMDAS: subtract 5 from 7 to get 2; divide 8 by 4 and multiply by 6 to get 12; add 12 and 2 to get 14.