Estimate. Round to the indicated place value.
3,436 + 597; hundreds
What is 4,000?
100
The order in which the numbers are added does not change the sum.
What is commutative property of addition?
200
(4 + 2) + 7 = 4 + (2 + 7) is an example of this property.
What is the associative property of addition?
200
Add. 61,248 + 47,229=
What is 108,477?
200
Ramona went to the store to purchase some fruits. The fruits coast $11.25, and she gives the cashier a $20 bill. About how much change should Romona get back?
What is about $10?
200
Estimate. Round to the indicated place value.
$34.87 + $12.09 ; tens
What is $40?
200
The sum of any number and 0 is the number.
What is identity property of addition?
300
78 + 11 = 11 + 78 is an example of this property.
What is the commutative property of addition?
300
8,346 + 7,208 =
What is 15,554?
300
73,979 - 63,485 =
What is 10,494?
300
Derek is 3,285 days old. Tionna is 4,015 days old. About how much older is Tionna?
What is 700 days?
300
They way in which numbers are grouped when added does not change the sum.
What is associative property of addition?
400
23 - 0 = 23 is and example of___.
What is the subtraction rule?
400
$6,937.82 + $478.16 =
What is $7,415.98?
400
$8.00 - $3.92 =
What is $4.08?
400
Estimate. Round to the indicated place value.
$321.98 - $219.98 ; hundreds
What is $100?
400
When you don't need an exact answer, you __________.
What is estimate?
500
389 - 389 = 0 is an example of...
What is the subtraction rule?
500
Julie has $20. She wants to buy a box of cereal for $4, a game for $6, and a pair of mittens for $8. Will she have enough money for her purchases? Explain.
What is 'No, she only has $18 and needs $2 more.'?
500
8,000 - 3,836 =
What is 4,164?
500
Gerald is reading a novel. On Monday he reads 37 pages, on Tuesday he reads 24 pages, and on Wednesday he reads 26 pages. About how many pages has Gerald read?
What is about 90 pages?
500
When you subtract 0 from any number, the result is the number...