Mentally Adding and Subtracting 10 and 100
Authored by Anthony Clark
Mathematics
3rd Grade
CCSS covered
Used 2+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is 100 more than 430?
530
330
500
400
Tags
CCSS.2.NBT.B.8
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is 100 more than 632?
732
600
532
700
Tags
CCSS.2.NBT.B.8
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is 100 more than 745?
845
645
700
800
Tags
CCSS.2.NBT.B.8
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is 100 more than 512?
412
612
500
600
Tags
CCSS.2.NBT.B.8
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is
100 more than
321?
450
421
221
320
Tags
CCSS.2.NBT.B.8
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
when estimating, numbers that make it easier to add or subtract mentally
compatible numbers
midpoint
midpoint
interval
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
David made a pattern to show how to mentally subtract 10. Select the number pattern that could be David’s pattern. Make sure to look at the COMPLETE pattern - all 5 numbers.
760, 750, 740, 730, 740
760, 750, 730, 740, 730
760, 750, 740, 730, 720
760, 750, 740, 730, 729
Tags
CCSS.3.OA.D.9
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