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Comparison
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100
4 times as many as 6 is _____
What is 24
100
Use an array and the Distributive Property to solve 3 X 28
What is an array with 3 as the number of groups, 28 as the size of group. The 28 should be decomposed into 20 + 8. One mini-array should be 3 X 20 = 60. The other mini-array should be 3 X 8 = 24. 60 + 24 = 84.
100
Mr. Arsenault planted 650 seeds. There were 7 family members, including Mr. Arsenault, who each planted about the same number of seeds. About how many seeds did they plant?
What is about 4,900 seeds (7 X 650 ~ 7 X 700 = 4,900)
100
You drew an area model for 6 X 5,894. The first array had 3,000. The second array had 4,800. The third array had 540. The fourth array had 24. You thought the 6 X 5,894 = 8,364. What’s the error?
What is 6 X 5,000 = 30,000 not 3,000
200
____ times as many as 8 is 56
What is 7
200
Complete the pattern: 2 X 5 = ____ 2 X 50 = ____ 2 X 500 = ____ 2 X 5,000 = ____
What is 10, 100, 1,000, and 10,000
200
There were 8 houses. Each house gave away 6,429 pieces of candy. How much candy did they give away?
What is They gave away 51,432 pieces of candy.
200
You drew an area model for 8 X 2,617. The first array had 16,000. The second array had 4,800. The third array had 80. The fourth array had 56. You thought the 8 X 2,017 = 20,836. What’s the error?
What is 16,000 + 4,800 + 80 + 56 = 20,936 not 20,836
300
Write the comparison sentence for the number sentence: 5 X 7
What is 5 times as many as 7 is 35
300
True or False: A reasonable product for 7 X 293 is 1,400. A reasonable product for 9 X 1,489 is 9,000.
What is False, it should be 2,100. True, 1,489 rounds to 1,000.
300
Spiderman is 24 years old. This is three times as old has his little brother. How old is his younger brother? Draw a block model.
What is 3 X n = 24, n=8. Spiderman’s younger brother is 8.
300
Multiply 8 X 9,504 in expanded form.
What is 8 X (9,000 + 500 + 4) (8 X 9,000) + (8 X 500) + (8 X 4) 72,000 + 4,000 + 32 76,032
400
Fill in the comparison sentence for the block model. 3 in each box, 6 boxes, 18 in brackets above the first block model (NOT on the side) _____ times as many as ______ is _______
What is 6 times as many as 3 is 18
400
What is 9 X 4,706?
What is 36,000 + 6,300 + 0 + 54 = 42,354
400
Ja’mora has 2 times as many stickers on her notebook as Brenda. Together, they have 15 stickers. How many stickers are on Ja’mora’s notebook? Draw a block model.
What is There are 10 stickers on Ja’mora’s notebook.
500
Draw the block model for the comparison sentence 2 times as many as 4 is 8.
What is a block model with 2 blocks, 4 in each block, and 8 in brackets above the first block model
500
4 X 300 = 4 X _______ hundreds = __________ hundreds = __________
What is =3 hundreds, =12 hundreds = 1,200
500
Luke manages a catering company. He rented 325 chairs each week for the first two weeks of May. Luke rented 750 chairs each week for the first two weeks of April. The chair rental company forgot to send 23 chairs. How many chairs did Luke receive in those 4 weeks?
What is 2 X 325 = 650, 2 X 750 = 1,500; 650 + 1,500 = 2,150. 2,150-23= 2,127 Luke received 2,127 chairs in 4 weeks.