Share REVIEW UNIT 3
Save to Folder
What is 247 rounded to the nearest ten?
250
Estimate: 429 − 98 is about...?
430-100=330
Which is the best estimate for 247 − 34?
250 − 30 = 220
A farm has 403 chickens and 257 ducks. How many animals in total?
660
Nam has 245 marbles. Minh gives him 128 more. How many in total?
373
Find one example: ‘The sum of three even numbers is even’
Great
500 − 236 =?
264
