9) Multiply. Write each product in simplest form: 18 x 1/6
18 x 1/6 = 3
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14) Jacinta is working on a jigsaw puzzle that has exactly 403 pieces. She has completed 1/4 of the puzzle. About how many pieces does Jacinta have LEFT to place in the puzzle?
Completed: 1/4 x 400 or about 100 pieces completed. Left to Finish: 400 total pieces - 100 completed = about 300 pieces are left
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3) What is a product?
A product is the result of a multiplication problem.
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7) Shade the model on WBK 731. What is 2 x 3/5?
2 x 3/5 = 6/5 or 1u1/5
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13) There are 24 students in Mr. Sampson's math class. One-third of the students received a B on a recent test. The rest earned an A on the test. How many students scored an A?
B: 1/3 x 24 = 8 students A: 24 total students - 8 students (B) = 16 students who scored an A.
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1) What is a fraction?
A fraction is a number representing part of a whole or part of a set.
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boom
Lose 50 points!
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star
Double points!
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rocket
Go to first place!
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lifesaver
Give 25 points!
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8) Multiply. Write each product in simplest form: 2/5 x 16
2/5 x 16 = 32/5 or 6u2/5
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10) Multiply. Write each product in simplest form: 6 x 3/5
6 x 3/5 = 18/5 or 3u3/5
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banana
Go to last place!
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magnet
Take 10 points!
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fairy
Take points!
5
10
15
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25
thief
Give points!
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25
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11) Diane sent 25 invitations to her birthday party. If 1/6 of the invitations were for her family, about how many family members did she invite?
1/6 of 25 is like 1/6 x 24. 1/6 x 24 = 4, so Diane invited about 4 family members.
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2) What is a factor?
A factor is a number that is multiplied to form a product.
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4) Estimate the product: 1/5 x 11
1/5 x 10 = 2, so 1/5 x 11 is about 2.
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5) Estimate the product: 3/5 x 10/11
10/11 is almost 1, so 3/5 x 1 = 3/5. Therefore, 3/5 x 10/11 is about 3/5.
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6) Estimate the product: 4u7/8 x 2u1/12
4u7/8 is about 5 and 2u1/12 is about 2. 5 x 2 = 10. Therefore, 4u7/8 x 2u1/12 is about 10.
