Vocabulary
The way in which numbers are grouped does not change the sum. This is the _____________ property.
What is Associative Property?
Which property or rule is being used:
5+10 = 10+5
What is the Commutative Property?
Start: 37,828
End: 38,828
What is the change?
What is 1,000 more?
To change the value of a number to one that is easier to work with is to ____________.
What is round?
Add: it might be necessary to regroup.
1,225 + 6,376
What is: 7,601
When you subtract 2 from 7, the _________ is 5.
What is difference?
Which property or rule is being used:
(9+8) + 7 = 9 + (8+7)
What is Associative Property?
Complete the number sentence.
151,945 + _____ = 152,045
What is 100?
Round to the nearest ten to estimate the sum of
234 + 5,267
What is:
230 + 5,270 = 5,500
Subtract: it might be necessary to regroup.
12,455-8,605
What is: 3,850
The sum of any number and 0 is the number. This is the ____________ property.
What is Identity Property?
Which property or rule is being used:
19+0 =19
What is Identity Property?
Find the number that is 1,000 more than 34,152.
What is 35,152?
Estimate by rounding each number to the nearest hundred to find the sum.
3,182 + 6,618= _________
What is:
3,200 + 6,600= 9,800
Find the sum.
432+356+598= __________
What is: 1,386
An ____________ is an answer close to the exact answer.
What is estimate?
Which property or rule is being used:
25-25=0
10,000 less than 12,846 is __________.
What is 2,846.
Estimate by rounding each number to the ten thousands to find the sum.
$25,497 + $54,088 = ___________
What is:
$30,000 + $50,000 = $80,000
The Mississippi River is 2,320 miles long. The Ohio River is 981 miles long. How much longer is the Mississippi River than the Ohio River?
What is:
2,320-981 = 1,339 miles
The order in which numbers are added does not change the sum. This is the ____________ property.
What is Commutative Property?
Which property or rule is being used:
37-0=37
Complete the number sentence:
4,514 + _____ = 4,524
What is 10?
Round to the nearest thousand to find the sum:
$37,653 + $35,685= __________
What is:
$38,000 + $36,000= $74,000
Harrison had $90. He spent $35 on shoes and $25 on a pair of jeans. How much money does he have left?
What is: $30 left
$35 + $25 = $60
$90-$60 = $30