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Place Value Worksheets - What Number Am I?

Addresses the following 1st Grade standard from the Common Core State Standards for Mathematics:
Number and Operations in Base Ten 1.NBT Understand place value.
2. Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
a. 10 can be thought of as a bundle of ten ones — called a “ten.”
b. The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.
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).
3. Compare two two-digit numbers based on meanings of the tens and ones digits.
Use place value understanding and properties of operations to add and subtract.
5. Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.
6. Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90

I am ten less than 60.

What number am I?

I am between 36 and 40.
I have 8 ones.

What number am I?

I am between 10 and 20.
I have 5 ones.

What number am I?

I have 2 tens and 4 ones.

What number am I?

I am ten less than 13.

What number am I?

I am between 90 and 100.
I have 9 ones.

What number am I?

I am ten more than 72.

What number am I?

I have 4 tens and 2 ones.

What number am I?

I have 6 tens and 5 ones.

What number am I?

I am ten more than 21.

What number am I?

I am between 70 and 80.
I have 1 one.

What number am I?

I am between 75 and 85.
I have no ones.

What number am I?

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