
Decimals & Fractions: Estimation and Conversion Challenge
Authored by Anthony Clark
English
5th Grade
CCSS covered

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Sarah bought 2.5 meters of ribbon for a craft project. If she uses 1.75 meters, how much ribbon does she have left? Estimate your answer first.
1.25 meters
2.0 meters
0.75 meters
0.5 meters
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. A recipe calls for 3/4 cup of sugar. Convert this fraction to a decimal and then find out how much sugar is needed if you double the recipe.
3/2 cups of sugar
1.5 cups of sugar
2 cups of sugar
1 cup of sugar
Tags
CCSS.7.NS.A.2D
CCSS.8.NS.A.1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. Tom has 5.6 liters of juice. He drinks 1.2 liters. How much juice does he have left? Estimate your answer before calculating.
5.0 liters
4.4 liters
3.4 liters
2.4 liters
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. A car travels 2.3 miles in the first hour and 1.8 miles in the second hour. How far did the car travel in total? Round your answer to the nearest whole number.
5
3
4
6
Tags
CCSS.7.NS.A.1C
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. Lisa read 1.5 books in January and 2.25 books in February. How many books did she read in total? Convert the fractions to decimals if needed.
2.0
3.75
4.5
3.0
Tags
CCSS.7.NS.A.1C
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. A bag of flour weighs 2.5 kilograms. If you use 0.75 kilograms for a cake, how much flour is left? Estimate before calculating.
1.75 kilograms
1.25 kilograms
3.00 kilograms
2.00 kilograms
Tags
CCSS.3.MD.A.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7. A pizza is cut into 8 equal slices. If you eat 3 slices, what fraction of the pizza is left? Convert this fraction to a decimal.
7/8 and 0.875
1/2 and 0.5
5/8 and 0.625
3/8 and 0.375
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