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Daniel Math Academy · Grade 7 Math

Rational Number Word Problems

Skill B.8 · Rational number operations · ★★☆ Medium · Quarter 1

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Write an expression and solve. Write fractions in simplest form.

1. 1
   The water in a tank drops $\frac{7}{8}$ inch each day. What is the change in the water level after $8$ days?
2. 2
   The temperature fell $1$°F each hour for $8$ hours. What was the total change in temperature?
3. 3
   The water in a tank drops $\frac{1}{4}$ inch each day. What is the change in the water level after $8$ days?
4. 4
   A hot-air balloon comes down $1\frac{1}{2}$ feet each second. What is the change in its height after $24$ seconds?

Daniel Math Academy · Grade 7 Math

Answer Key

B.8 Rational Number Word Problems · ★★☆ Medium

1. 1$-7$ inches
2. 2$-8$°F
3. 3$-2$ inches
4. 4$-36$ feet