Numerations & Operations Flashcards
The answer to a subtraction problem is the ______.
Difference.
The parts of an addition problem are ______ + ______ = ______.
Addend, addend, sum.
The numbers that are multiplied together in a multiplication problem are ______.
Factors.
The answer to a multiplication problem is the ______.
Product.
Zero (can, cannot) be a divisor in a division problem.
Cannot.
30 divided by 0 = ______.
Can’t do it.
0 divided by 30 = ______.
0
0/17 = ____.
0
17/0 = ______.
Can’t do it.
0/0 = ______.
Can’t do it.
A prime number has exactly ______ distinct factors.
Two.
The number 1 is prime. True or false?
False. It is neither prime nor composite.
The number 2 is prime. True or false?
True. It has only two factors: 2 and 1.
The number 15 is composite. True or false?
True. It has more than two factors: 15, 5, 3, and 1.
The number 0 is even. True or false?
True. 0/2 = 0, meaning 0 is divisible by 2.
The number 414 is divisible by 4. True or false?
False. 14 ( the last two digits of 414 is not divisible by 4.
The number 414 is divisible by 3. True or false?
True. 3 divides 4+1+4=9 ( the sum of the digits of the number 414.
The prime factorization of 96 = __________.
- 3.
GCF (18, 24) = ___________.
6.
LCM (18, 24) = _________.
72
A rational number is the ratio of two _____, where zero is not the _____ of the ratio.
Integers, denominator.
Is 0/4 a rational number?
Yes. 0/4 = 0, which is a rational number.
Is 12/0 a rational number?
No because one cannot divide by 0.
In the fraction 3/10, the whole is divided into _____ equal parts. How many equal parts do you have?
10, 3.
Which of the following fractions, 30/100, 6/10, 12/20 are equivalent to 3/5?
6/10.
Which of the following fractions, 20/17, 1 3/5, 12/24, 4/4 are improper fractions?
20/17 and 4/4.
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).
GCF = 8. The simplified fraction is 2/3.
Change 8/5 to a mixed fraction.
1 3/5.
In the number 564.27 D4 the 6 represents what value?
6 tens, or 60.
Write the fraction 4/5 as a percent and as a decimal.
0.80, 80%.
Right 0.34 as a percent.
34%.
Right 73.5% as a decimal number.
0.735.
A real number is any ______ or ______ number.
Rational, irrational.
A decimal number that terminates is ______ (rational, irrational) number.
Rational.
