Place Value - Ones and Tens

28 is:

• 8 tens and 2 ones
• 2 tens and 8 ones
• 4 tens and 6 ones
• 3 tens and 2 ones

Tags

CCSS.1.NBT.B.2

79, ______, _______, 82

• 80, 81
• 79, 80
• 50, 52
• 69, 70

Tags

CCSS.K.CC.A.1

CCSS.K.CC.A.2

How are 20 and 2 different?

• They are different numbers.
• Because they are.
• 20 has 2 groups of ten and 2 has 2 ones.
• They are the same.

Tags

CCSS.2.NBT.A.1

• 5 tens and 1 one
• 1 one and 8 tens
• 9 tens and 2 ones
• 8 tens and 1 one

What is this?

• ones
• bundle
• digits
• numerals

Tags

CCSS.K.CC.A.1

CCSS.K.CC.A.3

CCSS.K.CC.B.4

CCSS.K.CC.B.5

How many tens?

• 1

• 3

• 4

• 0

Tags

CCSS.1.NBT.B.2

CCSS.1.NBT.C.4

How many ones?

• 1

• 3

• 4

• 0

Tags

CCSS.2.NBT.A.1

CCSS.2.NBT.A.2

CCSS.2.NBT.A.3

How many?

• 1 tens and 5 ones

• 5 tens and 0 ones

• 1 tens and 2 ones

• 4 tens and 8 ones

Tags

CCSS.1.NBT.B.2

How many?

• 1 tens and 5 ones

• 2 tens and 3 ones

• 1 tens and 2 ones

• 6 tens and 0 ones

Tags

CCSS.1.NBT.B.2

CCSS.1.NBT.C.4

How many?

• 1 tens and 5 ones

• 2 tens and 3 ones

• 5 tens and 2 ones

• 8 tens and 4 ones

Tags

CCSS.1.NBT.B.2

CCSS.1.NBT.C.4