Show:
Prime, Composite, and Divisibility
LCM and GCF
Equivalent Fractions
Improper Fractions and Mixed Numbers
Fractions and Decimals
100
Is 45 a prime or composite number?
Composite
100
What is the Greatest Common Factor of 18 and 130?
2
100
Write the fraction in simplest form: 12/16
3/4
100
Write as a mixed number in simplest form: 12/7
1 5/7
100
Write 0.75 as a fraction, in simplest form.
75/100 -> 3/4
200
True or False: If a number ends in zero, it will never be divisible by 8.
False; 40
200
What is the Least Common Multiple of 14 and 42?
42
200
What are two ways to find an equivalent fraction?
Multiplication and Division
200
Write as an improper fraction: 8 7/8
71/8
200
Order 2/5, 0.48, 1/3 from least to greatest.
1/3, 2/5, 0.48
300
What is the prime factorization of 66?
2 x 3 x 11
300
What is the GCF of 32 and 80?
16
300
What are two ways to write fractions in simplest form?
Divisibility Rules and Divide by GCF
300
Sarah has gone 32/6 miles on a trail. What is the distance she has hiked as a mixed number?
5 2/6 or 5 1/3 miles
300
Which is greater 13.6 or 13 3/5
They are equal
400
Are more prime numbers even or odd? Explain.
Odd; only one number is even -> 2
400
Peter says the LCM of 4, 6, and 12 is 24. Do you agree or disagree? Explain.
Disagree. 24 is a common multiple but it is not the LEAST common multiple.
400
Write 45/50 in simplest form. Explain how you got your answer.
9/10; Divided numerator and denominator by 5.
400
Write 6 as an improper fraction with a denominator of 10.
60/10
400
Write 3 7/8 as a decimal.
3.875
500
Explain why the number 1 is not a prime number.
A prime number must have exactly 2 different factors (1 and itself).
500
The GCF of a PAIR of numbers can never be equal to one of the numbers.
False. The GCF can be equal to the lesser number. Example: The GCF of 30 and 15 is 15.
500
If two fractions have the same denominator, how can you determine if they are equivalent?
The fractions must have the same numerator to be equivalent if they have the same denominator.
500
Can 9/9 be expressed as a mixed number? Explain your reasoning.
No, it can only be expressed as a whole number.
500
Shondra thinks that 0.66, 0.660, and (0.66) ̅ all name the same number. Is she right? Explain.
No; 0.66 and 0.660 are equal but (0.66) ̅ is larger because (0.66) ̅ -> 0.6666666.....