First Grade Place Value Worksheets -1.NBT.B.2 Understanding Place Value

Place value
First Grade Place Value Worksheets
CCSS.MATH.CONTENT.1.NBT.B.2 Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
CCSS.MATH.CONTENT.1.NBT.B.2.A 10 can be thought of as a bundle of ten ones — called a "ten."
CCSS.MATH.CONTENT.1.NBT.B.2.B The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.
2 Digit Number as Tens and Ones Worksheet
2 Digit Number as Tens and Ones Worksheet

CCSS.MATH.CONTENT.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).
Writing Tens and Ones Worksheet
Writing Tens and Ones Worksheet -2
Writing Tens and Ones Worksheet -3

Writing Tens and Ones for a Number
Writing Tens and Ones for a Number
Writing Tens and Ones for a Number
Expanded Form Worksheets
2 Digit Expanded Form Worksheets
2 Digit Expanded Form Worksheets
2 Digit Expanded Form Worksheets

2 Digit Expanded Form to Standard Form Worksheet
2 Digit Expanded Form to Standard Form Worksheet
2 Digit Expanded Form to Standard Form Worksheet
2 Digit Expanded Form to Standard Form Worksheet
2 Digit Expanded Form to Standard Form Worksheet
CCSS.MATH.CONTENT.1.NBT.B.3 Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, and <.
Comparing 2 Digit Numbers Worksheets
Comparing 2 Digit Numbers Worksheets
Comparing 2 Digit Numbers Worksheets

Compare Numbers Worksheets
2 Digit Numbers Ordering Worksheet
2 Digit Numbers Ordering Worksheet
2 Digit Numbers Ordering Worksheet
2 Digit Numbers Ordering Worksheet
2 Digit Numbers Ordering Worksheet
2 Digit Numbers Ordering Worksheet
Less than Greater than worksheets


CCSS.MATH.CONTENT.1.NBT.C.4 Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.
Adding Multiples of 10 to 2 Digit Number Worksheet -1
Adding Multiples of 10 to 2 Digit Number Worksheet -2
Adding Multiples of 10 to 2 Digit Number Worksheet -3
Adding Multiples of 10 to 2 Digit Number Worksheet -4
Adding Multiples of 10 to 2 Digit Number Worksheet -5
CCSS.MATH.CONTENT.1.NBT.C.5 Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.
10 More 10 Less Worksheets
10 More 10 Less Worksheets
10 More 10 Less Worksheets
1 Less 1 More and 10 Less 10 More Worksheets
1 Less 1 More and 10 Less 10 More Worksheets
1 Less 1 More and 10 Less 10 More Worksheets
1 More 1 Less and 10 More 10 Less Worksheets
1 More 1 Less and 10 More 10 Less Worksheets
1 More 1 Less and 10 More 10 Less Worksheets
CCSS.MATH.CONTENT.1.NBT.C.6 Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences), using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.
Subtracting Multiples of 10 Worksheets
Subtracting Multiples of 10 Worksheet -2
Subtracting Multiples of 10 Worksheet -3
Subtracting Multiples of 10 Worksheet -4
Subtracting Multiples of 10 Worksheet -5




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