Understanding Tens and Ones

Front

What are tens?

Back

Tens are groups of ten. For example, 2 tens means 20.

Front

What are ones?

Back

Ones are single units. For example, 5 ones means 5.

Front

If you have 3 tens, how many ones do you have in total?

Back

30

Front

Which number is composed of 1 ten and 5 ones?

Back

15

Front

Which number is composed of 1 ten and 8 ones?

Back

18

Front

What is the value of the digit '3' in the number 35?

Back

Three tens.

Front

How many tens are there in the number 40?

Back

4

Front

What is the value of 2 in the number 27?

Back

Two tens.

Front

How many ones are in the number 23?

Back

3 ones.

Front

What is 4 tens plus 2 ones?

Back

42.