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Multiplying Decimals
Dividing Decimals
Word Problems
Adding and Subtracting Decimals
Mixed Questions
100
What is 19.32 x 100?
1,932
100

What is 6.73 ÷ 100?

0.0673

100
Kacey is baking. A recipe requires 6.8 cups of flour to make a serving. She only wants to make 0.8 of the recipe. How many cups does she need?
She needs 5.44 cups. You do 6.8 x 0.8 because she is only cooking part OF the recipe. 0.8 is less than 1 whole, so your answer needs to be smaller than the total, which was 6.8.
100
What is 2.4 + 17.83?
20.23
100
How many decimal places will there be in the product shown below? 2.4 x 19.52 =
3 because you move the decimal point out three spaces. The answer to 24 x 1952 = 46848 (with a hiding decimal point next to the ones place), and then you move the decimal back three spaces to 46.848, which makes sense because the problem is similar to 2 x 20 = 40.
200
What is 98.4 x 0.43?
42.312, or 42.31 when rounded to the nearest hundredth
200

What is 19.9 ÷ 10.2?

1.95098039, or 1.95 when rounded to the nearest hundredth

200
Trick is designing his car for science class. He made the car 2 feet long (woah!). He wants to put a light bulb every 0.4 feet. How many light bulbs should he use?
5 light bulbs. You do 2 divided by 0.4 because you are SPLITTING the car into EQUAL sections. Try drawing it if this did not make sense to you! :)
200
What is 60 - 7.83?
52.17
200
What factor could be used to make the equation true? ______ x 0.09 = 0.324 A) 1.5 B) 2.8 C) 3.6 D) 2.2
C, 3.6 -- 3.6 x 0.09 = 0.324 You know this because 9 x 36 = 324. You can just try all of the answer choices, or just do the quotient divided by the given factor, equals the unknown factor.
300
What is 66.92 x 9.9?
662.508, or 662.51 when rounded to the nearest hundredth
300

What is 89.6 ÷ 0.3?

298.666667, or 298.67 when rounded to the nearest hundredth (Reminder: The reason your answer got bigger was because you were dividing by a number less than 1!!!)

300
Chris has 6 mini candy bars. Each candy bar is 1.37 cm. If he lays them end-to-end, how many cm would it be in all?
8.22 cm because you multiply because you are PUTTING TOGETHER EQUAL GROUPS! Draw it if you are having trouble with this! :)
300
Olivia walked 6.67 miles. Then she walked another 0.7 miles. How many miles did she walk in all?
7.37 miles
300

9.5 + (10.3 - 4.8) =

15

400
What is 3.02 x 5.7?
17.214, or 17.21 when rounded to the nearest hundredth
400

What is 35÷ 7.02?

4.98575499, or 4.99 when rounded to the nearest hundredth

400
Albie is making goody bags for his birthday party. He needs to separate 8.4 pounds of candy into 0.7 pound piles. How many goody bags can he make with this?
12 goody bags -- You do division because you are SPLITTING the candy into EQUAL groups!
400
It rained 1.4 inches on Monday. On Tuesday, it rained .68 inches less than on Monday. How much did it rain on Tuesday?
It rained 0.72 inches on Tuesday.
400

Sarah and Isabella went to Starbucks for lunch. To determine how much money to leave as a tip, they multiplied the bill by 0.15 (This would be a 15% tip). How much money should she leave as a tip if the bill is $20?

$3 because 0.15 x 20 = 3.00. The product is smaller than 20 because you are only taking a PART of it (less than 1 whole).

500
What is 19.8 x 6.74?
133.452, or 133.45 when rounded to the nearest hundredth
500

What is 93.4 ÷ 5.7?

16.3859649, or 16.39 when rounded to the nearest hundredth

500
Mrs. Lawley's 5th graders are selling treats at a bake sale. The students sell the following amount of treats: 16 cookies, each costs $0.53 23 brownies, each costs $1.25 13 cake pops, each costs $0.68 How much money did they make in all?
In total, they made $46.07. The cookies cost $8.48, the brownies cost $28.75, and the cake pops cost 8.84. You find this by multiplying how many they sold by how much each one costs. After adding them all, you get the total answer.
500
Alexa bought 8.63 ounces of chocolate chips. The next day she baked cookies and used 1.9 ounces of them. How many ounces does she have now?
Alexa has 6.73 ounces left.
500
What is 763 x 925?
705,775