Tens and Ones

Front

What are tens?

Back

Tens are groups of ten units. For example, 20 is made up of 2 tens.

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

Front

What are ones?

Back

Ones are single units. For example, 5 is made up of 5 ones.

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

Front

How many tens are in 30?

Back

There are 3 tens in 30.

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

Front

How many ones are in 5?

Back

There are 5 ones in 5.

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

Front

What is the value of 2 in 20?

Back

The value of 2 in 20 is 20 because it represents 2 groups of ten.

Tags

CCSS.4.NBT.A.1

Front

What is the value of 3 in 23?

Back

The value of 3 in 23 is 3 because it represents 3 ones.

Tags

CCSS.4.NBT.A.1

Front

Fill in the blanks: 79, ______, ______, 82.

Back

80, 81.

Tags

CCSS.1.NBT.A.1

Front

How many tens and ones are in 35?

Back

There are 3 tens and 5 ones in 35.

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

Front

What is 10 + 10?

Back

10 + 10 = 20, which is 2 tens.

Tags

CCSS.1.OA.A.1

Front

What is 1 + 1 + 1?

Back

1 + 1 + 1 = 3, which is 3 ones.

Tags

CCSS.1.OA.A.1