Rounding
Round 294 to the nearest ten.
290
Estimate by rounding the numbers to the nearest hundred.
967 + 231 + 4,292
1,000 + 200 + 4,800
=6,000
What is 12 x 10?
120
Write the additions as multiplications.
3 + 3+ 3+ 3= ___ x____=
3 x 4= 12
Write the dollar amount as cents or vice versa.
$0.25
25 ¢
Round 526 to the nearest hundred.
500
Estimate by rounding the numbers to the nearest hundred.
320 + 405 + 587
300 + 400 + 600
=1,300
What is 9 x 100?
900
Find the product.
14 x 0
0
A camera costs $52. You give $102. What is the change needed and what bills do you need back?
(Bills: $1, $5, $10, $20)
The change needed is $50.
two $20 bills and a $10 bill
or ten $5 bills
or 5 $10 bills
Round 3,520 to the nearest hundred.
3,500
Estimate by rounding the numbers to the nearest hundred.
1,029-372-105
1,000-400-100
=500
Write using numbers.
40 tens
400
Find the product.
4 x 200
800
The car seat has been discounted by $37, and now it costs $126? What was the original price?
$163
Round 6,709 to the nearest thousand.
7,000
Each bus can take 46 passengers. Estimate: about how many passengers are in four full buses?
4 x 50 = 200 passengers
1,300 ÷ 10 is what?
130
Find the unknown factors.
3 x ____ =600
200
Round $6,289.40 to the nearest ten dollars
$6,290
0
Sally's family is going to rent an apartment for a three-week vacation. They have two choices: one apartment costs $289 per week and another costs $327 per week.
Estimate the cost of each apartment for 3 weeks. Round to the nearest ten.
Apartment 1: $290 + $290 + $290= $870
Apartment 2: $330 + $330 + $330=$990
How many dollar bills do you have in a stack of sixty 10-dollar bills?
$600
Find the unknown factors.
4 x _____= 1,000
250
About how much is it to buy 4 notebooks for $2.09 each and two pencil sets for $4.08 each?
Round to the nearest dollar.
2 x $4= $8
Total: $8 + $8=$16