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Math > 7th Math Test 1 > Flashcards

7th Math Test 1 Flashcards

1
Q

Round off 4,638,482,196 to the nearest one billion

A

5,000,000,000

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2
Q

Round off 4,638,482,196 to the nearest ten

A

4,638,482,200

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3
Q

Round off 4,638,482,196 to the nearest one thousand

A

4,638,482,000

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4
Q

Round off 4,638,482,196 to the nearest ten million

A

4,640,000,000

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5
Q

Round off 4,638,482,196 to the nearest hundred million

A

4,600,000,000

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6
Q

What is the Arabic value of MMDCXLII

A

2,642

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7
Q

Choose the number that is divisible by 9: 574 or 783

A

783

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8
Q

write the prime factors of 24

A

24 = 2 x 2 x 2 x 3

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9
Q

write the prime factors of 16

A

16 = 2 x 2 x 2 x 2

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10
Q

write the prime factors of 42

A

42 = 2 x 3 x 7

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11
Q

Find the greatest common factor for 12 & 18

A

6

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12
Q

Find the greatest common multiple of 5 & 6

A

30

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13
Q

write the least common multiple of 4 & 6

A

12

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14
Q

Write the greatest common factor of 4 & 6

A

2

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15
Q

Which of these numbers are divisible by 4:

300, 128, 442, 1566, 2024, 182

A

300, 128, 2024

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16
Q

Which of these numbers are divisible by 6:

672, 411, 3022, 1584, 657, 906

A

672, 1584, 906

17
Q

True or False: The number 1 is a prime number

A

False, it is neither prime nor composite

18
Q

True or False: The number 2 is a composite number

A

False, it is prime

19
Q

True or False: The order of the factors can be switched without changing the product.

A

True

20
Q

True or False: The sum of any number and 1 is that number

A

False. The PRODUCT of any number and 1 is that number

21
Q

True or False: The greatest common factor for 6 & 9 is 3

A

True

22
Q

True or False: The least common multiple for 3,4 & 5 is 20.

A

False.

23
Q

True or False: MCCCXXXVI = 3326

A

False

24
Q

The Ellis Animal Shelter had 52 dogs on Saturday. The shelter had twice as many cats as dogs. How many dogs & cats did the shelter have on Saturday altogether?

A

156 dogs & cats

25
Q

The population of Reidville is 478,967. Round off to the nearest ten thousand.

A

480,000

26
Q

Colin’s grandparents sent him a check for one thousand dollars. Colin gave $150 to his church, and spent $396 on school clothes, books, and supplies. How much of the money does be have left?

A

$454

Math (6 decks)

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