Times Tables/Prime
7 x 6
42
What are factors of 18?
9, 2, 6, 3, 18, 1
19 + 93
Which answer is the closest?
150, 90, 110, 130
110
solve 12 x 50
600
110 ÷ 10 =
11
50 x 90 =
4500
What are the factors of 30?
1, 30, 5, 6, 15, 2, 3, 10
19 x 31
Which answer is closest?
400, 500, 600, 700
600
Solve 32 x 7
224
426 ÷ 4 =
106 r 2
Which of the following is a prime number?
10, 17, 21, 25, 60
17
Use factors to solve 180 ÷ 12
180 ÷ 6 ÷ 2
= 30 ÷ 2
= 15
Round these prices to the nearest 50 cents and add together to estimate the total cost.
$3.44, $9.79, $12.05
$25.50
Solve 24 x 13
312
You have 248 people and they are each going to get 1 slice of pizza. If each pizza has 8 slices, how many pizzas do you need to make?
31
72 ÷ 9 =
8
What is the highest common factor of 10 and 30?
10
If you were rounding and estimating for the following equation, what would you round it to and what would the answer be close to?
1.2 x 60.5
1 x 60 = 60
132 x 6
792
758 ÷ 3
What are the prime factors of 24?
2 x 2 x 2 x 3
Bonus:
23 x 3
What is the highest common factor of 60 and 24?
12
Use estimation and rounding and add < or > to make the statement true
32 x 87 53 x 47
32 x 87 > 53 x 47
The Witch bought 23 bags of candy and each bag had 15 pieces of candy inside. How many pieces of candy does she have to poison and give to the children who come to her door?
345
How many 13-seater buses would be needed to take 185 students to the swimming pool?
15