Fact Family
What is one fact family of 3,6 and 18
18/6=3
Is 2 a prime number?
Yes
What is 5/4*7/5? Simplify after.
1 3/4
What is 4/6 divided by 1/2?
1 2/6 or 1 1/3
What is 2.4*2.1?
5.04
What is one fact family of 6, 8, and 48
6*8=48
No
What is 2/3*2/3?
4/9
What is 6/12 divided by 4/6?
36/72
What is 0.098*2.1?
.2058
What is one fact family for 9, 12, 108
12*9=108
Is 138 a composite number?
Yes.
What is 6/11*7/18?
42/198
What is 5/6 divided by 2/8
40/12 or 3 1/3
What is 103.6* 0.6?
62.16
What is one fact family one 468, 3, 1404
468*3=1404
What is a composite number?
A number with 3 or more factors
What is 3/4*77/9?
12/77
What is similar about multiplying and dividing fractions?
Dividing two fractions is the same as multiplying the first fraction by the second fraction.
What is 0.0110*0.09?
.00099
What is a fact family?
A fact family is a group of math facts using the same numbers.
What is a prime number?
A number with 2 or less factors.
What is the rule for multiplying fractions?
Multiply across (top*top) (bottom * bottom)
What is 5/20 divide by 7/18?
90/140 or 9/14
What do you need to do with the decimals after you take them to and multiply? Ex: 0.6 * 0.7 would be 6*7=42. Hint: (What would you do next?)
Place back the decimal according to the number of spaces moved to make the decimal have no value.