Exploring Tens and Ones Concepts to 50

What method was initially used to simplify counting baseballs?

• Grouping them into tens and ones

• Counting them one by one

• Using a calculator

• Asking someone else to count

Tags

CCSS.1.NBT.A.1

How many groups of ten can be formed with 26 cubes?

• 2 groups

• 3 groups

• 6 groups

• 26 groups

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

How many tens are in the number 26?

• 1 ten

• 26 tens

• 2 tens

• 6 tens

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

What does the number 3 represent in the number 34?

• 34 tens

• 3 ones

• 4 tens

• 3 tens

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

How many ones are in the number 43?

• 10 ones

• 43 ones

• 3 ones

• 4 ones

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

In the number 34, what does the digit 4 represent?

• 3 tens

• 4 ones

• 34 ones

• 4 tens

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

In a two-digit number, where are the tens located?

• At the end

• In the middle

• On the left

• On the right

Tags

CCSS.4.NBT.A.1

Which number is represented by having three ones and some tens?

• 30

• 31

• 3

• 13

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

What mistake did Mary make when trying to show the number 41?

• She showed 14 instead

• She used too many tens

• She used too many ones

• She didn't use any ones

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

What is the correct way to show 41 using tens and ones?

• One ten and four ones

• Four tens and one one

• Forty-one tens

• Four ones and one ten

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C