Chapter practice examination

Original untimed practice examination. Not a secure or official placement test.

Original untimed practice examination. Not a secure or official placement test. Solutions are available as revealable feedback and in a separate complete answer key. No answer submissions or accounts are required.

Assessment · 24 questions

Questions

Show your thinking; use diagrams when they help. Do not open solutions during your first attempt.

Check your work: Finish the problems first, then ask a parent or tutor to review them with the separate answer-key copy.

A1
A student answers the following question with “49 square units; 28 units”. Explain whether the answer is correct, then solve the question and justify your answer. Original question: A 8-by-6 rectangle has what area and what perimeter? Include units. (3 points)
A2
A 8-by-4 rectangle has what area and what perimeter? Include units. (3 points)
A3
A tiled mat is 3 square units across and 5 square units down. How many unit squares cover it? (2 points)
A4
A rectangular fence is 4 cm long and 4 cm wide. What length of edging goes all the way around? (2 points)
A5
A student answers the following question with “16 square units”. Explain whether the answer is correct, then solve the question and justify your answer. Original question: A rectangular garden covers 3 rows of 5 equal unit squares. Find its area. (3 points)
A6
A rectangle measures 7 cm by 3 cm. What is its perimeter? (2 points)
A7
A tiled mat is 5 square units across and 4 square units down. How many unit squares cover it? (2 points)
A8
A rectangle is 7 unit squares across and 6 unit squares down. What is its area? (2 points)
A9
A student answers the following question with “25 square units”. Explain whether the answer is correct, then solve the question and justify your answer. Original question: A rectangle is 8 unit squares across and 3 unit squares down. What is its area? (3 points)
A10
A rectangle measures 8 cm by 5 cm. What is its perimeter? (2 points)
A11
A rectangular garden covers 3 rows of 7 equal unit squares. Find its area. (2 points)
A12
A rectangle measures 6 cm by 5 cm. What is its perimeter? (2 points)
A13
A student answers the following question with “25 square units”. Explain whether the answer is correct, then solve the question and justify your answer. Original question: A rectangle is 6 unit squares across and 4 unit squares down. What is its area? (3 points)
A14
A 5-by-5 rectangle has a 1-by-2 corner removed. Find the remaining area in square units. (2 points)
A15
A tiled mat is 4 square units across and 6 square units down. How many unit squares cover it? (2 points)
A16
A rectangular garden covers 6 rows of 4 equal unit squares. Find its area. (2 points)
A17
A student answers the following question with “17 cm”. Explain whether the answer is correct, then solve the question and justify your answer. Original question: A rectangular fence is 5 cm long and 3 cm wide. What length of edging goes all the way around? (3 points)
A18
A rectangular garden covers 4 rows of 5 equal unit squares. Find its area. (2 points)
A19
A rectangle is 6 unit squares across and 2 unit squares down. What is its area? (2 points)
A20
A 5-by-3 rectangle has what area and what perimeter? Include units. (3 points)
A21
A student answers the following question with “17 cm”. Explain whether the answer is correct, then solve the question and justify your answer. Original question: A rectangular fence is 6 cm long and 2 cm wide. What length of edging goes all the way around? (3 points)
A22
A 3-by-3 rectangle has a 2-by-1 corner removed. Find the remaining area in square units. (2 points)
A23
A student says a rectangle with area 16 square units must have perimeter 16 units. Explain why this is not generally true using a 4-by-4 example. (3 points)
A24
A 3-by-4 rectangle and a 1-by-12 rectangle have the same area. Must they have the same perimeter? (3 points)

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