Topics 8 & 9
round 218 to the nearest ten
220
Which property of multiplication is shown?
4 x 7 = 4 x (5 + 2)
4 x 7 = (4 x 5) + (4 x 2)
4 x 7 = 20 + 8
4 x 7 = 28
distributive property
What is the next number in the pattern?
3, 6, 9, 12, ____
15
Rewrite 8 x 7 using the commutative property
7 x 8
Which comparison is correct?
4 > 6
6 < 4
4 < 6
4 < 6
6 + 8 + 14 = __ + 14 + 6
What is the missing number that makes the number sentence true?
8
Danielle has 24 pieces of candy to share with 3 friends. She gave each friend the same amount of candy.
How many pieces of candy did Danielle give each friend?
8 pieces of candy
Write the fact family for 6, 30 and 5.
6 x 5 = 30
5 x 6 = 30
30 ÷ 5 = 6
30 ÷ 6 = 5
find the product of 3, 2, and 4
24
What is the unknown number in the equation?
__ x 5 = 40
8
Ben bought 7 jump ropes. Each jump rope cost $3. He paid with $30. How much change should Ben get back?
$9
Kyle had 42 stickers to share with 6 friends. He gave each friend the same number of stickers.
What is the total number of pencils Kyle gave each friend?
7
Which equation is correct?
5 x 1 = 1
1 x 5 = 6
5 ÷ 5 = 25
5 ÷ 1 = 5
5 ÷ 1 = 5
Is this equations true?
2 x 2 x 4 = 4 x 4
Yes. 2 x 2 x 4 = 16 and 4 x 4 = 16
What is the unknown number in the equation?
__ ÷ 5 = 6
30
Noelle bought 15 fidgets. She gave some of her fidgets to 3 friends. She gave each friend 3 fidgets.
How many fidgets does Noelle have now?
6 fidgets
8 x 7 = 8 x (__ + 5)
8 x 7 = (8 x __) + (8 x 5)
8 x 7 = __ + 40
8 x 7 = __
8 x 7 = 8 x (2 + 5)
8 x 7 = (8 x 2) + (8 x 5)
8 x 7 = 16 + 40
8 x 7 = 56
Which equation is incorrect?
1 x 8 = 8
8 x 1 = 8
8 ÷ 1 = 1
8 ÷ 8 = 1
8 ÷ 1 = 1
Use the distributive property to find the missing factors
6 x __ = (3 x 6) + (__ x 6)
6 x 6 = (3 x 6) + (3 x 6)
Jonah places 16 counters in 4 stacks. Amy puts 20 counters in 5 stacks.
How many counters are in each stack?
4
Tim bought 27 notebooks. He gave some of his notebooks to 5 friends. He gave each friend 3 notebooks.
How many notebooks does Tim have now?
12 notebooks
9 x 6 = 9 x (5 + __)
9 x 6 = (9 x 5) + (9 x __)
9 x 6 = 45 + __
9 x 6 = __
9 x 6 = 9 x (5 + 1)
9 x 6 = (9 x 5) + (9 x 1)
9 x 6 = 45 + 9
9 x 6 = 54
What is the next number in the pattern?
1, 4, 9, 16, 25, 36, ___
*hint* these numbers are products
49
Rewrite this equation so that you get the same product by using 3 factors instead of 2.
6 x 6
__ x __ x __
1 x 6 x 6
2 x 3 x 6
2 x 2 x 9
1 x 4 x 9
etc.
Glenn places 28 apples in 7 buckets. Dina places 20 apples in 4 buckets.
Who has more apples in each bucket?
Dina: 20 ÷ 4 = 5
Glenn: 28 ÷ 7 = 4
Dina has more apples in each bucket.