Understanding Tens and Ones

How many groups of ten can you make from twenty ones?

• One group

• Two groups

• Three groups

• Four groups

If you have thirty ones, how many tens can you form?

• Four tens

• One ten

• Two tens

• Three tens

What is the total number of tens you can create from sixty ones?

• Seven tens

• Six tens

• Five tens

• Four tens

How many tens are there in ninety ones?

• Ten tens

• Seven tens

• Eight tens

• Nine tens

What does each bar represent in the model used to group ones into tens?

• Thirty

• Twenty

• Ten

• One