Estimate
Estimate the sum of 405 and 385 by rounding to the nearest hundred.
400 + 400 = 800
What is the sum of 243, 132, and 157?
532
63
Round to the tens place. 873
870
What is the answer to an addition problem called?
sum
Estimate to solve: 627 - 378.
Possible Answer:
600 - 400 = 200
Use mental math to add 332 and 154.
486
Use mental math to find 634 - 528.
106
Round to the tens place. 456
460
What is the answer to a subtraction problem called?
Difference
Estimate the difference of 765 and 333.
Possible Answer:
765 = 760
333 = 330
760 - 330 = 430
Find the sum of 350, 62, and 199.
611
Find the difference. 174 - 48.
126
Round to the hundreds place. 693
700
Consider the equation 360 = _____+ 84. Then solve for the unknown value.
360 = 276 + 84
Estimate to solve: 458 + 357
Possible Answer:
450 + 360 = 810
Use mental math (or another method) to solve 532 + 189.
721
Solve. 482 - 65
417
Round to the tens place. 397
400
What is something that Miss Jumper likes to do when she is not at school?
Possible Answers:
Bake/Cook, Read, Hike, Travel, Crochet, etc. (You can decide if they are correct! :)
Estimate to solve. 936 + 35.
Possible Answer:
940 + 40= 980
Use a preferred method to solve 675 + 48.
723
Solve. 385 - 211.
174
Round to the nearest tens place AND the nearest hundreds place (you will have two separate answers). 537
Tens: 540
Hundreds: 500
How many cats does Miss Jumper have?
Two! :)