6th Grade Rational Number Addition & Subtraction Quiz

1. Sarah has 3.5 liters of juice. She buys 2.2 liters more. How much juice does she have now?

• 5.7 liters

• 3.0 liters

• 4.5 liters

• 6.0 liters

2. A baker made 5.75 kg of bread and sold 2.3 kg. How much bread does he have left?

• 6.0 kg

• 4.0 kg

• 3.45 kg

• 2.5 kg

3. Tom ran 4.5 kilometers in the morning and 3.2 kilometers in the evening. What is the total distance he ran?

• 6.5 kilometers

• 7.7 kilometers

• 5.0 kilometers

• 8.2 kilometers

4. Lisa had 10.5 meters of ribbon. She used 4.75 meters for a project. How much ribbon does she have remaining?

• 7.50 meters

• 6.25 meters

• 5.75 meters

• 4.00 meters

5. A tank holds 15.6 gallons of water. If 6.4 gallons are used, how much water is left in the tank?

• 7.2 gallons

• 8.4 gallons

• 10.6 gallons

• 9.2 gallons

6. Mark scored 8.2 points in the first game and 5.5 points in the second game. What is his total score?

• 12.5

• 13.7

• 14.2

• 10.7

7. Emma read 12.3 pages of a book on Monday and 7.8 pages on Tuesday. How many pages did she read in total?

• 20.1

• 19.5

• 18.3

• 21.0

8. A fish tank originally had 20.5 liters of water. After a water change, it has 14.7 liters left. How much water was removed?

• 5.8 liters

• 7.0 liters

• 4.5 liters

• 6.2 liters

9. A gardener planted 6.4 meters of flowers and later added 3.1 meters more. What is the total length of flowers planted?

• 8.5 meters

• 10.1 meters

• 7.2 meters

• 9.5 meters

10. A car traveled 150.5 miles on a trip and then 75.3 miles on the return. What is the total distance traveled?

• 200 miles

• 150 miles

• 300 miles

• 225.8 miles