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Explanation & Answer
1.) Answer: 1.4 times 1.5 or 1 2/5 multiplied by 1 1/2
If you add up the total length and width, the length measures 1.5 units and the width measures 1.4 units.
Area= (L)(W) so the expression is (1.5)(1.4). If converted to fraction, it is 1 1/2 multiplied by 1 2/5.
2.) Answer: 2.1 or 2 1/10
(1.4)(1.5)= 2.1 which also equals 2 1/10
3.) Mark has a cardboard that is cut up into 4 pieces. The dimensions are as followed, 1 inch by 1inch , 1 inch by 1 1/2 inches, 1 inch by 2/5 inch, and 1/2 inch by 2/5 inch. What is the area of the card board? Answer: 2 1/10
(1)(1)+(1)(1.5)+(1)(2/5)+(1/2)(2/5) = 1+1.5+1.4+0.2=2.1
4.) 7 multiplied by 4 or (7)(4)
Each unit square represents 1 square unit. Area= 28 square units
The dimensions are 7 by 4 so (7)(4)
5.) Area= 28 square units
The dimensions is 7 by 4 which equals 28.
6.) Katie has a painting that is 7 ft long and 4 wide. What is the area?
Area= 28 square feet
A=(l)(w)
A= (7)(4)
A= 28
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