Show:
Investigation 1
Investigation 2
Investigation 3
Investigation 4
Vocabulary
100
what is 2/4 + 1/4 equal?
3/4
100
What is 3/4 x 5/6?
15/24=5/8
100
3/4 divided by 6/8 is what?
2/2= 1
100
N - 1/5=7/20
11/20
100
What is a number sentence?
a mathematical statement that gives the relationship between two expressions that are composed of numbers and operation signs.
200
What is 8/12 - 6/12 equal?
2/12= 1/6
200
What is 1 and 1/2 x 4 and 3/4?
57/8= 7 and 1/8
200
What is 2 and 3/4 divided by 4 and 4/5?
55/96
200
2/3 x N=12
18
200
What is an algorithm?
a set of rules for performing a procedure.
300
What is 2 and 1/3 + 4 and 1/4 equal?
79/12= 6 and 7/12
300
What is the product of 1 and 1/3 and 5/6?
20/18=1 and 1/9
300
what is 5/6 divided by 6?
5/36
300
N + 3/4=19/20
1/5
300
What is a benchmark?
a reference number that can be used to estimate the size of other numbers
400
What is the sum of 1 and 1/3 and 5/6?
13/6= 2 and 1/6
400
What is 2 and 4/9 x 4 and 3/4?
209/18= 11 and 11/18
400
what is the quotient of 1 and 1/3 and 5/6
1 and 3/5
400
6 divided by 2/3= N
9
400
What is an overestimate?
to make an estimate that is slightly greater then the actual value
500
what is the difference of 1 and 1/3 and 5/6?
3/6=1/2
500
which is greater 3/4 x 5/6 or 7/8 x 7/9?
15/24= 5/8 and 49/72 < greater
500
James's mother also bought 3 and 1/3 pounds of strawberries to make strawberry smoothies. she estimates that she will need 1/9 of a pound of strawberries for each smoothie. how many smoothies can she make with the strawberries she bought?
30 smoothies, 3 and 1/3 divided by 1/9 = 10/3 then 10/3 multiplied by 9/1=90/3 which is 30 smoothies
500
How many bows can you make from 3 and 2/3 meters of ribbon if 1/4 of a meter of ribbon makes one bow?
division 3 and 2/3 divided by 1/4=44/3=14 and 2/3
500
What is an underestimate?
to make an estimate that is slightly less then the actual value