Multiplication/Division
Multiply:
18 x 26
468
Choose the number that has the digit 7 with a value that is 10 times greater than the value of the 7 in the number 24.376.
A. 18.437
B. 47.218
C. 12.795
D. 34.278
C. 12.795
What does PEMDAS stand for?
Parentheses, Exponents, Multiplication, Decimals, Addition, Subtraction
Solve:
12.874 + 8.43
21.301
Solve: 8.3 x 6.4
53.12
Divide:
8200 ÷ 40
205
Which number is equivalent to seventeen hundredths?
A. 0.017
B. 0.17
C. 170
D. 17,000
B. 0.17
Compare these expressions. Which expression will give you the solution of 6?
a. 15 - 7 + 2 b. 15 - (7+2)
b. 15 - (7+2)
Solve:
9.82 - 5.21
4.61
Abby is paid $7.50 an hour at her job. Last Saturday, she worked 6.4 hours. How much money did she earn?
Abby earned $58.
467 x 75
30,025
How are the 9's in this number different?
3,429.95
(What is the place value of each 9? How would you get from one place value to the other?)
The 9 on the left side of the decimal is in the ones place and has a value of 9.
The 9 on the right side of the decimal is in the tenths place and has a value of 0.9.
The 9 in the ones place is 10 times greater than the 9 in the tenths place.
0.9 x 10 = 9
Place the parentheses in the correct place in order to give you the solution of 12.
2 + 20 ÷ 2
2 + (20 ÷ 2)
The backpacks weigh 108.96 pounds altogether.
Madison needs 3.3 yards of fabric to make a blanket. If each yard of fabric costs $4.20, how much will she need to spend altogether?
A movie theater sells 9,420 buckets of popcorn every year. If they sell the same number each month, how many buckets of popcorn do they sell each month?
They sell 785 buckets of popcorn each month.
Write 3 numbers that would round to 5.4.
Possible answers:
5.35, 5.36, 5.37, 5.38, 5.39, 5.41, 5.42, 5.43, 5.44
(12+5) + 2(3+2) - 3
(12+5) + 2(3+2) - 3
17 + 2(5) - 3
17 + 10 - 3
27 - 3
24
Jessie caught two monarch butterflies. One had a wingspan of 8.79 in. The other monarch had a wingspan in 6.85 in. What was the difference in the wingspan of the two butterflies?
The difference in wingspan is 1.94 in.
Divide:
16.4 ÷ 0.4
41
The dinner budget for Maria's sweet sixteen birthday party is $500. Each dinner costs $37.
Does she have enough money in the budget for 14 dinners? _____
How much money will Maria have left over? OR How much money will she be short?
No she doesn't have enough money for 14 dinners. She will be $18 short.
Write a number that has a digit 2 with a value that is 100 times less than the value of the digit 2 in the number 12.384.
Any number with the 2 in the hundredths place.
Examples:
5.423
12.32
Solve:
4(15 ÷ 3) + (6 x 3) - 2²
4(15 ÷ 3) + (6 x 3) - 2²:
4(5) + (18) - 4
20 + 18 - 4
38 - 4
34
The distance between Ron's house to his cousin's house is 24.54 miles. If Ron and his family have drive 9.3 miles, how much farther do they need to travel to get to his cousin's house?
They need to travel 15.24 miles.
Mark has 0.72 of a gallon of air. Each toy car tire needs 0.12 of a gallon of air. How many toy car tires can Mark fill up?
Mark can fill up 6 toy car tires.