Mathematics
Grade 8
15 min
Add and subtract rational numbers: word problems
Add and subtract rational numbers: word problems
Tutorial Preview
1
A recipe needs 1/2 cup of flour and 1/4 cup of sugar. How much is that in total?
2
A board is 5 1/2 feet long. You cut off 2 1/4 feet. How much is left?
3
Your account has $50.25. You deposit $10.50, then withdraw $20.00. What's the new balance?
Sample Practice Questions
Easy
Leo ate 1/8 of a pizza and Mia ate 3/8. What fraction did they eat together?
0.1/2
1.1/4
2.3/8
3.5/8
Easy
A plant was 4.5 inches tall. It grew 1.2 inches. How tall is it now?
0.5.7 in
1.5.5 in
2.5.2 in
3.3.3 in
Easy
A rope is 10 1/2 feet long. You cut 3 feet off. How much is left?
0.7 ft
1.7 1/2 ft
2.8 ft
3.8 1/2 ft
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