Rounding
Round 44 to the nearest tens
40
Estimate the sums
26 + 15
30 + 20 = 50
Estimate the difference
34 - 23
30 - 20 = 10
There are 5 apple trees in the park. 12 more apple tress were planted. Estimate how many apple trees are in the park.
10 + 10 = 20
Round 119 to the nearest tens
120
37 + 44
40 + 40 = 80
Estimate the difference
54 - 49
50 - 50 = 0
Mya picked 14 limes and Dan picked 18 limes. Estimate how many limes they picked together.
10 + 20 = 30
Round 286 to the nearest 10
290
Estimate the sum
7 + 88
10 + 90 = 100
Estimate the difference
88 - 7
Jessica is reading a book that has 75 pages. She read 43 pages. About how many pages does Jessica have left to read?
80 - 40 = 40
Round 454 to the nearest hundred
500
Estimate the sum
92 and 46
90 +50 = 140
Estimate the difference
92 and 46
90 - 50 = 40
Joe's school sold 53 boxes of doughnuts for a fundraiser. Bella's school sold 38 boxes of doughnuts. About how many boxes of doughnuts did the schools sell in all?
50 + 40 = 90
What two decade numbers is 73 between?
70 and 80
Estimate the sum
99 and 36
100 + 40 = 140
Estimate the difference
99 and 36
100 - 40 = 60
65 rounds to 70