A prime number has only two factors, 1 and itself.
200
A large ferris wheel completes a rotation every 12 minutes and a smaller ferris wheel completes a rotation every 9 minutes. If they start together, how many minutes will pass before they stop at the same time?
36 minutes
200
What is the product of 3 to the third power?
3 x 3 x 3 = 27
200
Solve for a and b: 8 + 40 = 2(a) + 2(b)
a= 4, b= 20
200
Add parenthesis to make the equation true:
2 + 7 x 8 - 5 = 27
2 + 7 x (8 - 5) = 27
300
Give an example of a square number. What is special about the factors?
25 = 5 x 5, the factor is the same twice
300
What is the LCM for 10 and 11?
110
300
What is the prime factorization of 1000?
2 x 2 x 2 x 5 x 5 x 5
300
Draw an area model (rectangle) for 5(10 + 4) and solve.
Total area is 70 square units.
300
Solve 4/4 + 7 x 7
1 + 49 = 50
400
A number is less than 100 and has 25 and 10 as factors. What is the number?
50
400
Use the prime factorization of 24 and 60 to find their LCM.
LCM is 120
400
What number has the prime factorization 2 x 2 x 2 x 2 x 3 x 3 x 5 ? (Rewrite with exponents and solve)
720
400
Fill in the missing variables: 6 x 14 = 6(a + b) = 6(a) + 6(b)
a = 10 and b = 4
or other examples work
400
Which expressions are equivalent to 5 x 42?
a) 5 x 40 + 5 x 2 b) 10 x 42 - 5 x 42
c) 5 x 40 + 2 d) 5 x (42 + 2)
a and b are equivalent
500
What is the GCF for 24 and 36?
12
500
What pair of numbers has the LCM 15?
5 and 15
500
What number has the prime factorization 2 to the fourth power x 5 to the fourth power? Rewrite with exponents and solve.