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Mathematics > Numerations & Operations > Flashcards

Numerations & Operations Flashcards

0
Q

The answer to a subtraction problem is the ______.

A

Difference.

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1
Q

The parts of an addition problem are ______ + ______ = ______.

A

Addend, addend, sum.

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2
Q

The numbers that are multiplied together in a multiplication problem are ______.

A

Factors.

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3
Q

The answer to a multiplication problem is the ______.

A

Product.

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4
Q

Zero (can, cannot) be a divisor in a division problem.

A

Cannot.

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5
Q

30 divided by 0 = ______.

A

Can’t do it.

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6
Q

0 divided by 30 = ______.

A

0

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7
Q

0/17 = ____.

A

0

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8
Q

17/0 = ______.

A

Can’t do it.

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9
Q

0/0 = ______.

A

Can’t do it.

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10
Q

A prime number has exactly ______ distinct factors.

A

Two.

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11
Q

The number 1 is prime. True or false?

A

False. It is neither prime nor composite.

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12
Q

The number 2 is prime. True or false?

A

True. It has only two factors: 2 and 1.

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13
Q

The number 15 is composite. True or false?

A

True. It has more than two factors: 15, 5, 3, and 1.

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14
Q

The number 0 is even. True or false?

A

True. 0/2 = 0, meaning 0 is divisible by 2.

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15
Q

The number 414 is divisible by 4. True or false?

A

False. 14 ( the last two digits of 414 is not divisible by 4.

16
Q

The number 414 is divisible by 3. True or false?

A

True. 3 divides 4+1+4=9 ( the sum of the digits of the number 414.

17
Q

The prime factorization of 96 = __________.

A
          1. 3.
18
Q

GCF (18, 24) = ___________.

A

6.

19
Q

LCM (18, 24) = _________.

A

72

20
Q

A rational number is the ratio of two _____, where zero is not the _____ of the ratio.

A

Integers, denominator.

21
Q

Is 0/4 a rational number?

A

Yes. 0/4 = 0, which is a rational number.

22
Q

Is 12/0 a rational number?

A

No because one cannot divide by 0.

23
Q

In the fraction 3/10, the whole is divided into _____ equal parts. How many equal parts do you have?

A

10, 3.

24
Q

Which of the following fractions, 30/100, 6/10, 12/20 are equivalent to 3/5?

A

6/10.

25
Q

Which of the following fractions, 20/17, 1 3/5, 12/24, 4/4 are improper fractions?

A

20/17 and 4/4.

26
Q

What is the GCF of 16 and 24? Simplify the fraction 16/24 to lowest terms by dividing the numerator and the denominator by the GCF (16, 24).

A

GCF = 8. The simplified fraction is 2/3.

27
Q

Change 8/5 to a mixed fraction.

A

1 3/5.

28
Q

In the number 564.27 D4 the 6 represents what value?

A

6 tens, or 60.

29
Q

Write the fraction 4/5 as a percent and as a decimal.

A

0.80, 80%.

30
Q

Right 0.34 as a percent.

A

34%.

31
Q

Right 73.5% as a decimal number.

A

0.735.

32
Q

A real number is any ______ or ______ number.

A

Rational, irrational.

33
Q

A decimal number that terminates is ______ (rational, irrational) number.

A

Rational.

Mathematics (5 decks)

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