What is the prime factorization for the number 36?
2 X 2 X 3 X 3 or 2^2 X 3^2
What is the prime factorization for the number 55?
5 X11
What is the missing number?
_______ ÷ 100 =2.75
275
What is a prime number?
A prime number is a number that only has one set of factors. Such as 3- 3 X 1
What is the missing number?
______ ÷ 10 = 7.5
75
344.4 ÷ 5
68.86
What is the prime factorization for the number 100?
2 X 2 X 5 X 5 or 2^2 X 5^2
5.3 X 0.63
318
0.7 X 0.2
14
What is the divisibility rule for 2?
The last number is even.
What numbers can divide 345?
3 and 9
What is the LCM of 18 and 10?
90
What is the LCM of 15 and 6
30
What is the GCF of 24 and 40?
8
Ava bought 4.65 pounds of fruit for a class party. The class ate 3.15 pounds of the fruit. How much fruit is left?
Subtract the numbers of pounds.
Remember to line up the decimal points.
1.50 pounds of fruit are left.
Is this number prime or composite?
18
Composite
What is the LCM of 8 and 6?
24
Add these numbers 4.56 + 8.9
13.45
Is this number prime or composite?
7
Prime
A chef bought 0.91 kilograms of almonds and 0.01 kilograms of pecans. How many kilograms of nuts did the chef buy in all?
Add the numbers of kilograms.
Remember to line up the decimal points.
The chef bought 0.92 kilograms of nuts.
What is the GCF of 21 and 56?
7
What is the prime factorization for the number 18?
2 X 3 X 3
8.81-0.21
8.60
Can 33 be divided by 9?
No because 3+3=6 and 6 cannot be divided by 9.
What is a composite number?
A number that has more than one set of factors. 4- 1 X 4, 2 X 2
Is this number prime or composite?
5
Prime
0.8 X 3
2.4
What is the GCF of 35 and 50?
5
What is the prime factorization for the number 25?
5^2 or 5X5
What number can be divided by 74?
2
7.5 X 17
1,275
251.6 ÷ 2
125.8
Adriana bought 4.89 ounces of chocolate. 3.69 ounces of it was milk chocolate and the rest was dark chocolate. How much dark chocolate did Adriana buy?
Subtract the numbers of ounces.
Remember to line up the decimal points.
Adriana bought 1.20 ounces of dark chocolate.
What is the prime factorization for the number 20?
2^2 X 5 or 2 X 2 X 5
Is 3,550 divisible by 5, 10, or both?
Both. It ends in a 0
Your experience on this site will be improved by allowing cookies.