Rounding
Round to the nearest 10.
23
20
60 + 30
90
90 - 50
20 * 6
Jim has 5 baseball cards. Tom gives him 12 more and his friend John gives him 6 more. How many baseball cards does Jim have now?
Round to the nearest 10.
70 + 80
150 - 80
50 * 7
Susie collected 56 cans of food for the food drive.
Jessie collected 29 cans. How many more cans did Susie collect?
Round to the nearest 100.
382
400
411 + 128
539
396 - 122
90 * 9
Leah bought 3 bags of oranges. There are 4 oranges in each bag. How many oranges are there all together?
4 * 3 = 12 oranges
Round to the nearest 100.
349
239 + 146
385
523 - 238
60 * 8
John needs 24 hamburger buns for a class picnic. Buns are sold in packages of 8 or 12. Show one way that John can buy full packages to get exactly 24 buns.
or
2 packages of 12 buns (2 * 12 = 24)
Round to the nearest 10.
871
786 + 295
700 - 249
8 * 40
A package of 8 buns costs $1.00
A package of 12 buns costs $1.25
Explain the money that John could use to pay for the 24 buns.
2 packs of 12 buns - 2-one dollar bills and 2 quarters