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Rounding and Place Values
Estimating
Adding
Subtracting
Variety Blend
100
The number in the tenths place. 128.465
What is 4
100
Estimate 4.204 + 2.779
What is 4+3=7
100
Add .9+6.7
What is 7.6
100
Subtract 6.6-4.2=
What is 2.4
100
The property that states 0+10=10
What is Zero or Identity Property
200
Round to the ones place 90.763
What is 91
200
Estimate 18.93-5.38
What is 19-5=14
200
14.05+9.2=
What is 23.25
200
83.4-14.6=
What is 68.8
200
Amelia has $2.48. She gives her brother $0.50. How much money does Amelia have left?
What is $1.98
300
The number in the hundredths place 76.238
What is 76.24
300
Estimate 5.087+9.615
What is 5+10=15
300
6.008+.22=
What is 6.228
300
12.00 - 9.93=
What is 2.07
300
The property that states the order of the addends can be changed without affecting the sum. 6+8=8+6
What is commutative property
400
The numbers that tell us to round up (there are five)
What is 5, 6, 7, 8, 9
400
Estimate 58.92-7.14
What is 59-7=52
400
327.1 + 625.8=
What is 952.9
400
20 - 2.06=
What is 17.94
400
Casey spent $2.50 on a snack, $1.24 on gum, $3.76 on a comic book, and $5.50 on lunch. How much did he spend?
What is 2.50+1.24+3.76+5.50= 13
500
Round to the tens place 765.46
What is 770
500
A family rents a cottage for $79.95 a day for 7 days. About how much does the family pay for the cottage?
What is 80x7=$560
500
112.71+57.18=
What is 169.89
500
300 - .385=
What is 299.615
500
This property states the ways in which numbers are grouped does not change the sum.
What is the associative property