Investigation 1
Investigation 2
Investigation 3
Investigation 4
Word Wall
100
A new restaurant owner purchased ads to run in the paper over several days. She bought two 1/5-page ads. What was the amount of space she bought with the ads?
1/5 + 1/5 = 2/5 or 2 x (1/5) = 2/5
100
2/3 • 2/5
4/15
100
1/4 ÷ 1/2
1/2
100
What is a fact family?
A collection of related facts made from the same numbers.
100
What do you call the answer in addition? Hint: it starts with an "S _ _."
The Sum
200
A new restaurant owner purchased ads to run in the paper over several days. She bought nine 1/20-page ads. What was the amount of space she bought with the ads?
9 x (1/20) = 9/20-page ads
200
5/8 • 1/3
5/24
200
1/9 ÷ 1/16
16/9 = 1 (7/9)
200
Find the value of N: N + 3/4 = 19/20
Use fact family so N = 19/20 - 3/4 LCM/BOUNCE BOX N = 19/20 - 15/20 N = 4/20 SIMPLIFY N = 1/5
200
What do you call the answer in subtraction? Hint: it starts with a "D _ _ _ _ _ _ _ _ _."
The difference
300
A new restaurant owner purchased ads to run in the paper over several days. She bought five 1/4-page ads. What was the amount of space she bought with the ads?
5 x (1/4) = 5/4 or 1 (1/4)
300
2/3 • 1/4
1/6
300
1/3 ÷ 1/18
KCF 6
300
Find the value of N: N - 1/5 = 7/20
N = 7/20 + 1/5 LCM/BOUNCE BOX N = 7/20 + 4/20 N = 11/20
300
What do call the answer in multiplication? Hint: It starts with a "P _ _ _ _ _ _."
The Product.
400
A new restaurant owner purchased ads to run in the paper over several days. She bought two 1/5-page ads and nine 1/20-page ads. What was the amount of space she bought with the ads?
2 • (1/5) = 2/5 9 • (1/20) = 9/20 2/5 + 9/20 USE BOUNCE BOX 8/20 + 9/20 = 17/20
400
1/3 • 3/4
1/4
400
1/8 ÷ 3/4
KCF 1/8 x 4/3 KITTY CORNER/CROSS CANCELING 1/6
400
Find the value of N: 2/3 • N = 12
Use fact family so N = 12 ÷ 2/3 KCF N = 12 x (3/2) N = 18
400
What do you call the answer in division? Hint: it starts with a "Q _ _ _ _ _ _ _."
The quotient
500
A new restaurant owner purchased ads to run in the paper over several days. She bought two 1/5-page ads, nine 1/20-page ads, and five 1/4-page ads. What was the amount of space she bought with the ads?
2 • (1/5) = 2/5 9 • (1/20) = 9/20 5 • (1/4) = 5/4 We WANT AN IMPROPER FRACTION USE BOUNCE BOX 2/5 = 8/20 9/20 5/4 = 25/20 NOW ADD THEM ALL UP 8/20 + 8/20 = 17/20 + 25/20 = 42/20 SIMPLIFY 42/20 = 2 and (2/20) SIMPLIFY AGAIN 2 (1/10) - pages of ads
500
Sammy bought 2 (1/2) pounds of blueberries on Monday. Sammy ate 1/4 pounds of blueberries. How many pounds blueberries did Sammy eat?
2 (1/2) • 1/4 CONVERT MIXED NUMBER INTO IMPROPER 5/2 x 1/4 MULTIPLY ACROSS 5/8 pounds of blueberries
500
Sammy bought 3 (1/3) pounds of strawberries to make smoothies. She will need 1/9 pound for each smoothie. How many smoothies can she make with the strawberries she bought?
3 (1/3) ÷ 1/9 CONVERT MIXED NUMBER INTO IMPROPER 10/3 ÷ 1/9 KCF 10/3 x 9/1 CROSS CANCEL 10/1 x 3/1 30 smoothies
500
Find the value of N: 6 ÷ 2/3 = N
Use fact family 6 ÷ 2/3 = N KCF 6 x 3/2 = N Solve 9 = N
500
What is an algorithm?
A set of rules to be followed in calculations (i.e math, programming, etc)
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