
My Location: VA
Tens and Ones
1st Grade


Alabama Course of Study Standards:
11

Explain that the two digits of a twodigit number represent amounts of tens and ones. Identify a bundle of ten ones as a “ten.”
 Identify the numbers from 11 to 19 as composed of a ten and one, two, three, four, five, six, seven, eight, or nine
ones.
 Identify the numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 as one, two, three, four, five, six, seven, eight, or nine tens
(and 0 ones).

Arkansas Academic Standards:
1.NBT.B.2

Understand that the two digits of a twodigit number represent amounts of tens and ones
Understand the following as special cases: 10 can be thought of as a bundle of ten ones — called a "ten"
 The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones
 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

Arizona  K12 Academic Standards:
1.NBT.B.2

Understand that the two digits of a twodigit number represent groups of tens and ones. Understand the
following as special cases:  10 can be thought of as a group of ten ones — called a “ten”.
 The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.
 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).

Common Core State Standards:
1.NBT.B.2

Understand that the two digits of a twodigit number represent amounts of tens and ones. Understand the following as special cases:
 10 can be thought of as a bundle of ten ones — called a "ten."
 The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.
 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).

Georgia Standards of Excellence (GSE):
1.NR.1.2

Explain that the two digits of a 2digit number represent the amounts of tens and ones. 
Illinois Learning Standards:
1.NBT.2
Kentucky Academic Standards (KAS):
1.NBT.2

Understand that the two digits of a twodigit number represent amounts of tens and ones. Understand the following as special cases:  10 can be thought of as a bundle of ten ones — called a "ten."
 The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.
 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).

Louisiana Academic Standards:
1.NBT.B.2
Mississippi College and CareerReadiness Standards:
1.NBT.2
Washington  K12 Learning Standards:
1.NBT.2

Understand that the two digits of a twodigit number represent amounts of tens and ones. Understand the following as special cases:  10 can be thought of as a bundle of ten ones — called a "ten."
 The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.
 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).

Missouri Learning Standards:
1.NBT.2

Understand that the two digits of a twodigit number represent amounts of tens and ones. Understand the following as special cases:  10 can be thought of as a bundle of ten ones — called a "ten."
 The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.
 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).

North Carolina  Standard Course of Study:
1.NBT.2

Understand that the two digits of a twodigit number represent amounts of tens and ones. Unitize by making a ten from a collection of ten ones.
 Model the numbers from 11 to 19 as composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.
 Demonstrate that the numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens, with 0 ones.

New York State Next Generation Learning Standards:
1.NBT.2

Understand that the two digits of a twodigit number represent amounts of tens and ones.  Understand 10 can be thought of as a bundle of ten ones, called a "ten".
 Understand the numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.
 Understand 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).

Ohio's Learning Standards:
1.NBT.2

Understand that the two digits of a twodigit number
represent amounts of tens and ones. Understand the following as
special cases: 10 can be thought of as a bundle of ten ones — called
a “ten;” the numbers from 11 to 19 are composed of a ten and one,
two, three, four, five, six, seven, eight, or nine ones; and 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). 
Tennessee Academic Standards:
1.NBT.B.2

Know that the digits of a twodigit number represent groups of tens and ones (e.g., 39 can be represented as 39 ones, 2 tens and 19 ones, or 3 tens and 9 ones). 
Wisconsin Academic Standards:
1.NBT.B.2

Understand that the two digits of a twodigit number represent amounts of tens and ones. Understand the following as special cases:  10 can be thought of as a bundle of ten ones—called a "ten."
 The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.
 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).

Pennsylvania Core Standards:
CC.2.1.1.B.2

Use placevalue concepts to represent amounts of tens and ones and to compare two digit numbers. 


