Topic A
8 x 4 = 5 fours + ___ fours
3
Count by 6s from 0 to 60
0, 6, 12, 18, 24, 30, 36, 42, 48, 54, 60
Rewrite this number sentence with parenthesis in the correct place:
2 + 8 × 7 = 58
2 + (8 x 7) = 58
Explain 2 strategies to solve the problem:
7 x 9 = ?
Finger strategy, multiplication chart, 10-1 facts, patterns of 9, etc.
40 x 5 =
200
8 x m = 24
m = ?
m = 3
Use a tape diagram to solve: Henry spends 24 minutes practicing 6 different basketball drills. He spends the same amount of time on each drill. How much time does Henry spend on each drill?
Henry spends 4 minutes on each drill.
Explain how knowing 8 x 5 and 8 x 2 can help you find the answer to 8 x 7 using a picture and words.
I can use the commutative property to make 5 groups of 8 plus 2 groups of 8. That's 7 groups of 8, which is 7 x 8 or 8 x 7.
8 x 5 = 40
8 x 2 = 16
so 8 x 7 = 56
Skip count by 9s from 0-90
0, 9, 18, 27, 36, 45, 54, 63, 72, 81, 90
Frederick buys a can of 3 tennis balls. The empty can weighs 20 grams, and each tennis ball weighs 60 grams. What is the total weight of the can with 3 tennis balls?
200 grams
Karen says, “If I know 3 × 8 = 24, then I know the answer to 8 × 3.”
Is she correct? Explain why?
Yes. The commutative property tells us that we can switch the factors and still have the same product.
Draw a tape diagram to solve 8 x 6= ? using a 5s fact
Hint: (5 x 6 = ?) + (___ x 6 = ?)
5 x 6 = 30
3 x 6 = 18
so 8 x 6 = 48
Tara buys 6 packs of printer paper. Each pack of paper costs $8. What is the total amount Tara spends? Draw a tape diagram and write an equation to show your thinking.
Tara spends $48 on printer paper.
Mrs. Parson gave each of her grandchildren $9. She gave a total of $36. How many grandchildren does Mrs. Parson have? Explain how you found your answer.
Mrs. Parson has 4 grandchildren.
The video store sells comedy and sports movies for $5 each. How much money does the video store make if it sells 33 comedies movies and 57 sports movies?
$450