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9-29 Addition Using Place Value
By Shanyn Hoffman
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Last updated over 3 years ago
3 questions
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3
2.NBT.5
2.NBT.B.7
3
2.NBT.5
2.NBT.B.7
4
2.NBT.5
2.NBT.B.6
2.NBT.B.7
Question 1
1.
Question 2
2.
Question 3
3.
Look at the addition problem. Do we need to regroup to solve correctly? https://talkandcomment.com/p/c4236c0b8173829982721083 (voice note)
Yes
No
Look at this addition problem again.
WHY
do we need to regroup?https://talkandcomment.com/p/5b752cb70ce3b552f979ade9 (voice note)
When adding the ONES, any number larger than 9 must be regrouped.https://talkandcomment.com/p/6c1df83510cc7bb55e95a4d4 (voice note)
When adding the TENS, any number less than 9 must be regrouped. https://talkandcomment.com/p/b16c13bec86922f2f5bdade3 (voice note)
The number likes the tens place better so we move it to make it happy. https://talkandcomment.com/p/6280b32ed17db274bb297cae (voice note)
Please add to find the sum. https://talkandcomment.com/p/0df7144bbb12724fe10f1856 (voice note)
A. 21
B. 37
C. 47
D. 41