Adding Tens Number Line

Count in 10's.

10

20

30

40

___

60

• 50

• 15

How many tens and ones?

• 4 tens and 4 ones

• 7 tens and 8 ones

• 2 tens and 6 ones

How many tens and ones?

• 2 Tens

  5 Ones

• 2 Tens

  0 Ones

• 2 Tens

  3 Ones

• 3 Tens

  2 Ones

Which is an example of a good tool used for adding?

• tens frame

• hundreds chart

• number line

• all of the above

How many tens?

• 4 tens

• 2 tens

How many tens?

• 8 tens

• 7 tens

How many tens and ones?

• 1 ten and 7 ones

• 1 ten and 5 ones

Which number sentence is shown on this number line?

• 32 + 56

• 56 - 32

• 32 + 24

• 32 + 14

Does this number line show 'bridging by the decade', that is jumping to the nearest Tens number.

• Yes

• No

To jump to the nearest decade (tens number), I need to jump by

• 2

• 3

• 4

• 5