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Rational Numbers Operations Worksheet
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Rational Numbers Operations Worksheet
Choose one answer for each multiple-choice question. Show working for calculations and financial problems. Give money answers to the nearest cent where needed.
Operations with rational numbers
Select the correct answer.
1.Evaluate −8 + (−6).
- −14
- −2
- 2
- 14
2.Work out 5/6 × 3/10 in its simplest form.
- 1/4
- 1/2
- 8/16
- 2/5
3.Find 18% of $250.
- $35
- $40
- $45
- $55
4.Evaluate (−3)⁴.
- −81
- −12
- 12
- 81
Match each expression to its value
Use each value on the right once.
Financial calculations
Show your working. Use New Zealand dollars.
5.A pair of shoes is priced at $160. The shop takes 12.5% off the price. What is the sale price?
6.Tevita receives $680 each week and puts 15% of it into savings. How much does she save each week?
7.A meal costs $72 before GST. Add 15% GST to find the total cost.
Mixed operations and reasoning
Use the order of operations where appropriate.
8.Calculate −6.3 + 4.8 − (−2.1).
9.Evaluate √49 − 3² + 5.
10.Estimate 24.7 × 3.9 by rounding each factor to the nearest whole number, then calculate the exact product.
11.Use the estimate and exact product from the previous question to explain whether the exact answer is reasonable.
12.Calculate −2.6 + 1.4. Show the movement on the number line, starting at −2.6.
3 printable pages
Page 1
Page 2
Page 3
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