Chapter 13: Practice examination

39 questions · 85 points

Independent exam: solutions are on a separate page; do not open until finished. Include units and explain reasoning. There is no mandatory time limit.

Question 1 · reasoning · 3 points

Calculate 5.6 + 3.6. Explain how place value or a model can check your result.

Question 2 · calculation · 2 points

Calculate 2.6 + 0.6.

Question 3 · calculation · 2 points

Calculate 1.00 − 0.99.

Question 4 · reasoning · 3 points

Calculate 8.36 − 1.53. Explain how place value or a model can check your result.

Question 5 · calculation · 2 points

Calculate 6.55 + 2.96.

Question 6 · calculation · 2 points

Calculate 1.00 − 0.09.

Question 7 · calculation · 2 points

Calculate 8.65 + 3.07.

Question 8 · reasoning · 3 points

Calculate 7.8 + 1.1. Explain how place value or a model can check your result.

Question 9 · reasoning · 3 points

An item costs $2.33 and another costs $1.69. What is their exact combined price? Explain how place value or a model can check your result.

Question 10 · calculation · 2 points

Calculate 4.1 − 1.5.

Question 11 · calculation · 2 points

Calculate 3.68 − 1.71.

Question 12 · calculation · 2 points

Calculate 1.6 + 4.5.

Question 13 · calculation · 2 points

Calculate 4.1 − 1.7.

Question 14 · reasoning · 3 points

Calculate 7.02 + 1.58. Explain how place value or a model can check your result.

Question 15 · calculation · 2 points

Calculate 6.2 − 1.5.

Question 16 · calculation · 2 points

Calculate 4.5 + 0.4.

Question 17 · reasoning · 3 points

Calculate 1.00 − 0.48. Explain how place value or a model can check your result.

Question 18 · calculation · 2 points

Calculate 1.27 + 2.36.

Question 19 · calculation · 2 points

Calculate 9.67 − 2.49.

Question 20 · calculation · 2 points

Calculate 1.7 + 1.4.

Question 21 · calculation · 2 points

Calculate 7.58 + 3.16.

Question 22 · calculation · 2 points

Calculate 5.53 + 3.16.

Question 23 · calculation · 2 points

Calculate 7.36 − 1.75.

Question 24 · calculation · 2 points

Calculate 8.4 − 1.5.

Question 25 · money · 2 points

An item costs $5.36 and another costs $1.67. What is their exact combined price?

Question 26 · calculation · 2 points

Calculate 1.00 − 0.31.

Question 27 · money · 2 points

An item costs $5.85 and another costs $3.01. What is their exact combined price?

Question 28 · money · 2 points

An item costs $2.66 and another costs $1.18. What is their exact combined price?

Question 29 · calculation · 2 points

Calculate 5.7 + 3.9.

Question 30 · calculation · 2 points

Calculate 4.6 + 3.5.

Question 31 · calculation · 2 points

Calculate 3.7 + 1.7.

Question 32 · money · 2 points

An item costs $5.29 and another costs $2.07. What is their exact combined price?

Question 33 · calculation · 2 points

Calculate 9.07 − 1.65.

Question 34 · calculation · 2 points

Calculate 1.00 − 0.29.

Question 35 · money · 2 points

An item costs $1.72 and another costs $2.73. What is their exact combined price?

Question 36 · calculation · 2 points

Calculate 7.4 + 0.7.

Question 37 · reasoning · 3 points

Calculate 5.3 − 1.8. Explain how place value or a model can check your result.

Question 38 · calculation · 2 points

Calculate 3.6 + 1.4.

Question 39 · calculation · 2 points

Calculate 1.00 − 0.55.

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