Show:
Rounding
Estimating
Place Value
Mental Math and Vocabulary
Addition with Regrouping
100
58 rounded to the nearest ten is...
What is 60?
100
Estimate 36+42
What is 40+40=80?
100
Identify the number in the ones place: 526
What is 6?
100
True or False: 3+5 is the same as 3+5. Explain your answer.
This is true because of the commutative property.
100
26+15 is
What is 41?
200
514 rounded to the nearest hundred is...
What is 500?
200
Estimate 88+21
What is 110?
200
What is 68 in expanded form?
What is 60+8?
200
36+21
57
200
43+29
What is 72?
300
742 rounded to the nearest TEN is...
What is 740?
300
Estimate 13+26+54
What is 93?
300
Identify the number in the ten thousands place: 956,486
What is 5?
300
What are compatible numbers? Define and give an example.
What are numbers that are easy to compute? For example...
300
14+27
What is 41?
400
78+32= rounded to the nearest TEN
What is 80+30=110?
400
Anabella has 45 peace points and George has 33. About how many do they have in all?
What is 50+30=80?
400
What is 632 in expanded form?
What is 600+30+2?
400
46+22
What is 68?
400
89+78
What is 167?
500
7,568 rounded to the nearest hundred is...
What is 7,600?
500
Aaron walked 14 miles on Monday and 18 miles on Tuesday. About how many miles did he walk in all?
What is 10+20=30?
500
What place is the 8 in? 98,643
What is the thousands place?
500
123+123 is...
What is 246?
500
288+46
What is 334?