Rounding
Round 7 to the nearest tens place
10
Estimate the sum
19 + 8
30
Estimate the difference
22 - 11
10
During a meteor shower John saw 7 meteors and Fran saw 12. About how many shooting stars did they see all together?
About 20
Round 19 to the nearest tens place
20
Estimate the sum
42 + 11
50
Estimate the difference
34 - 12
20
There are 67 bird families living near the mountain. If 32 bird families flew away for winter, about how many bird families were left near the mountain?
About 40 birds
Round 125 to the nearest tens place
120
Estimate the sum to the nearest tenths
171 + 49
220
Estimate the difference to the nearest tens
155 - 37
120
To fill an order, the factory dyed 216 yards of silk pink and 751 yards yellow. How many more yards of yellow silk did it dye than pink?
535 yards of silk
400
Estimate the sum
198 + 119
300
Estimate the difference the nearest hundredths
305 - 268
0
Samuel spilled a bag of nuts, and a group of dogs ate all of them. The biggest dog ate 169 nuts, and the other dogs ate the other 135 nuts. How many nuts did Samuel spill?
304 nuts
Round 95 to the nearest tens place
100
Estimate the sum to the nearest tenths
499 + 279
780
Estimate the difference to the nearest tenths
471 - 289
180
Shelley jumped on the couch 429 times, and her friend Kate jumped on it 716 times. Then, the couch broke and they both got in big trouble. How many more times did Kate jump on the couch than Shelley?
287 more times