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Operations with whole numbers
Operations with Fractions
Estimation
Fact Families
Equal Statements
100
What is 6 divided by 3?
2
100
What does 3 divided by 1/2 actually mean?
How many 1/2 are in 3
100
What is the best estimate for the following problem? 28 x 17 =
30 x 20 = 600
100
If 2 x 12 = 24 than what other three statements are true?
12 x 2 = 24 24/2= 12 24/12 = 2
100
Is the following statement true? 1/2 x 1/4 = 1/4 x 1/2?
Yes: that is the commutative property.
200
What is 3 divided by 6?
1/2
200
What is 3 divided by 1/2?
6
200
What is the best estimate for the following problem? 1.9 x 17 =
2 x 20 = 40
200
If 12 + 16 = 28 than what other three statements are true?
16 + 12 = 28 28 - 12 = 16 28 - 16 = 12
200
Is the following statement true? 18 + 4 = (2 + 16) + (2 + 2)
yes
300
What is 2 divided by 8?
1/4 or 0.25
300
what is 4 divided by 1/3?
12
300
What is the best estimate for the following problem? 128 x 32 =
100 x 30 = 3000
300
if $ x & = # then what other three statements must be true?
& x $ = # #/$ = & #/& = $
300
Is the following statement true? 40/6 = 6/40
No, division is not commutative
400
What is 12 divided by 15?
4/5 or 0.8
400
What is 1/2 divided by 1/8?
4
400
What is the best estimate for the following problem? 1.28 x 56.78 =
1 x 60 = 60
400
If 1/2 x 1/3 = 1/6 than what other three statements are true?
1/6 divided by 1/2 = 1/3 1/6 divided by 1/3 = 1/2 1/3 x 1/2 = 1/6
400
Is the following statement true? (40 + 6) x 20 = (40 x 20) + (6 x 20)
Yes, it is the distributive property
500
What is 7 divided by 28?
1/4 or 0.25
500
What is 1/6 divided by 1/3?
1/2
500
What is the best estimate for the following problem? 28.8997 x 17.9999 =
30 x 20 = 600
500
If 1/4 + 1/8 = 3/8 then what other three statements must be true?
1/8 + 1/4 = 3/8 3/8 - 1/4 = 1/8 3/8 - 1/8 = 1/4
500
Is the following statement true? 4 divided by 8 = 3 divided by 6
yes, they are both 1/2