Rounding
Estimate the difference by rounding each number to the nearest ten.
873- 436= about
440
4 9 3-3 8 6=
107
8 5, 4 9 1- 6 7, 8 2 3=
17,668
Find the value of x.
2,800 - 1,947 + 966 = x
x=1,819
Estimate by rounding each number to the nearest hundred.
5 8 4-1 5 3= about _____
400
9 8 3-1 2 4=
859
3 1 4 , 1 5 9- 2 3 , 0 8 8=
291,071
Find the value of x.
8,930 + 7,281 - 9,452 = x
x=6,759
Estimate by rounding each number to the nearest ten.
5 8 3- 1 9 6=about ______
380
7 7 7- 2 9 8=
479
3 , 0 0 0- 5 4 7=
2,453
The basketball team is raising money for new equipment. The team’s goal is to raise $10,500. So far, the team has raised $3,160 at a yard sale and $2,275 at a car wash.
How much money does the team still have to raise?Show your work.
$5,065
Estimate by rounding each number to the nearest hundred.
7 4 1 - 3 2 9=about _______
400
9 0 6-1 8 1=
725
2 0, 8 5 0– 1 0, 9 7 5=
9,875
Raul spends 55 minutes reading, 35 minutes doing
homework, and 15 minutes doing chores. How many minutes more does Raul spend reading than doing homework and doing chores combined?
Show your work.
5 minutes
Estimate by rounding each number to the nearest ten.
8 4 7 -6 1 4 =about ______
240
9 0 0- 2 3 9=
661
982,448-35,278=
947,170
Alondra has 300 beads. She uses 147 beads to make a necklace. Then she buys 250 more beads.
How many beads does Alondra have now?
Show your work.
403 beads