124+326
(nearest 10)
120+330=450
67 - 12
(nearest 10)
70-10=60
19
20
590
600
Yazmine bought a costume that cost $27 and a bag of candy that cost $12. About how much did did she spend?
$30+$10=$40
567+432
(nearest 10)
570+430=1,000
102 - 61
(nearest 10)
100-60=40
42
40
423
400
Declan went to the store and got some new toys! He bought a lego set for $38 and a basketball for $16. About how much money did he spend?
$40+$20=$60
625+155
(nearest 10)
630+160=790
141- 67
(nearest 10)
140-70=70
113
110
4,638
4,600
Ahmed had a bowl with 546 M&Ms in it. He and his friends ate 295 of them. About how many M&Ms were left in the bowl? (to the nearest ten)
550-300=250 M&Ms
2,195 + 842
(nearest 100)
2,200+800=3,000
5,555 - 4,321
(nearest 100)
5,600-4,300=1,300
345
350
8,545
8,500
The school library has 2,365 books. The librarian buys 435 more books for the library. About how many books does the library now have? (to the nearest 100)
2,400+400=2,800 books
5,892 + 6,561
(nearest 100)
9,858 - 1,467
(nearest 100)
9,900-1,500=8,400
4,695
4,700
19,955
20,000
The third grade teachers bought 4 bags of candy. There are 353 pieces in a bag. About how many pieces are there? (to the nearest 100)
400x4=1,600 pieces