Use compatible numbers. Estimate to find the sum.
124 + 149=
Add 3 Digit Numbers Mentally
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Add 3 Digit Numbers Mentally
Quiz
•
Mathematics
•
4th Grade
•
Medium
Anthony Clark
Used 3+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
300
275
273
175
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Add or subtract mentally:
396 + 75 =
470
461
471
475
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Add mentally:
256 + 203 [1 Mark]
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Use mental math to add 132 + 122 =
Type your answer.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Question 2: Add 456 and 189. What is the result?
543
645
732
625
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the total when 523 and 367 are added together.
456
890
8900
1000
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the sum of 345 and 278?
423
567
623
512
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