Decomposing Tens and Ones in Different Ways

28 is:

• 8 tens and 2 ones

• 2 tens and 8 ones

• 4 tens and 6 ones

• 3 tens and 2 ones

67=

• 5 tens and 8 ones

• 6 tens and 7 ones

• 7 tens and 6 ones

• 1 ten and 4 ones

57 = ___ tens 7 ones

• 7

• 5

• 3

• 2

How many?

• 40

• 30

• 34

• 33

How many?

• 50

• 45

• 41

• 55

Question 1. What is the result of 8 * 10?

• A) 100

• B) 28

• C) 80

• D) 8

How many tens are in the number 73?

• 3

• 7

• 10

How many?

• 5

• 100

• 50

• 4

How many tens do you need to make the number 80?

• 20

• 8

• 80

How many in all?

• 8

• 70

• 87