Math Grade 1 Quiz Given a twodigit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used 1.NBT.C.5
In this standard, students are introduced to the concept of mentally calculating 10 more or 10 less than a given twodigit number without relying on traditional counting methods. This skill hinges on the understanding of place value, where adding or subtracting 10 affects the tens place of the number. By grasping this, students can swiftly determine results without having to count each number sequentially. Furthermore, the students are expected to explain their reasoning, which aids in deepening their conceptual understanding.
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 1.NBT.C.5 Given a twodigit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used 0%
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Question 1 of 10
1. Question
What is 10 less than 44?
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Question 2 of 10
2. Question
Given the number 11, adding 10 would give:
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Question 3 of 10
3. Question
10 more than 89 is:
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Question 4 of 10
4. Question
What is 10 more than 47?
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Question 5 of 10
5. Question
What is 10 less than 52?
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Question 6 of 10
6. Question
Given the number 68, what is 10 more?
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Question 7 of 10
7. Question
What is 10 less than 90?
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Question 8 of 10
8. Question
10 more than 23 is:
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Question 9 of 10
9. Question
Subtracting 10 from 75 results in:
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Question 10 of 10
10. Question
36 plus 10 equals:
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