Definitions
Subtraction
Addition
Estimate
100
What is the Associative Property of Addition
4+1=5 and 1+4=5 are examples of
100
What is 513
970-457
100
What is 1,107
842 + 265 =
100
What is 55,000
Which is the best estimate? 59,567 - 5,214
200
what is estimate
A number close to an exact value
200
What is 4,668
5433-765=
200
What is 905
149 + 756 =
200
What is 21,000
Which is the best estimate? 8,852 + 12,369
300
What is Commutative Property of Addition
(5+2) + 3 5+(2+3) are examples of
300
What is $442
$1,200 - $758 =
300
What is 91,222
87,316 + 3,906 =
300
What is 90
Which is the best estimate? 69 + 17
400
What is the Identity Property of addition
8+0=8 and 0+8=8 are examples of
400
What is 6,022
7,000 - 978 =
400
What is $51,035
$35,774 + 15,261 =
400
What is 120
Which is the best estimate? 241 - 119
500
What is difference
When you subtract 2 from 7, the ____________ is?
500
What is $333
The Jones family spent $1,578 on a new computer. The Wu family spent $1,245 on a new computer. How much more did the Jones family spend that the WU family?
500
What is 74,163
During the first game the attendance at the arena was 38,781. During the second game the attendance was 35,382. How many people attended the first two games?
500
What is 170 treats
If Ava eats 102 treats and Mandy eats 67 treats, about how many treats did they eat in all?