Use the row and column structure of an array to measure the areas of rectangles, and show that area can be found by multiplying side lengths
30 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest, every one with a full worked solution. Work through all 30 with your weekly-lesson access code.
Sample: the first question, solved
A rectangle has 4 rows and 5 columns of unit squares. What is its area?
📘 Worked solution
✓4×5 = 20 unit squares.
And one from the hard end
A rectangle has an area of 24 unit squares, and its length is 2 units more than its width. Use array reasoning to find both the length and width.
Solution shown after you try it in practice mode.
Work through all 30, easiest to hardest
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