Math Grade 1 Quiz The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones)1.NBT.B.2.C
This standard focuses on understanding the numbers 10 through 90 in increments of ten. Each of these numbers represents a certain number of tens and zero ones. For example, the number 30 signifies three tens and zero ones. This foundational understanding of place value ensures that students recognize the value of each digit in a twodigit number. Understanding this also prepares students for further study of place value in larger numbers and operations involving tens and ones.
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 1.NBT.B.2.C The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones) 0%
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Question 1 of 10
1. Question
What does the number 40 represent?
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Question 2 of 10
2. Question
Which of the following numbers signifies seven tens and zero ones?
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Question 3 of 10
3. Question
How many tens does the number 90 have?
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Question 4 of 10
4. Question
The number 20 is made up of how many ones?
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Question 5 of 10
5. Question
Which number represents five tens?
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Question 6 of 10
6. Question
How many tens are in the number 60?
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Question 7 of 10
7. Question
The number 10 consists of:
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Question 8 of 10
8. Question
How many ones are there in the number 80?
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Question 9 of 10
9. Question
The number 50 is made up of:
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Question 10 of 10
10. Question
Which of these numbers signifies two tens and zero ones?
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