1. Addition Of Whole Numbers Using
A Number Line
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2. This method uses a number line to record the stages
of an addition question. This is especially useful
when you need to cross into the next multiple of 10.
For example: 9 + 7 = 16

3. This method uses a number line to record the stages
of an addition question. This is especially useful
when you need to cross into the next multiple of 10.
For example: 9 + 7 = 16
+1
9
10

4. This method uses a number line to record the stages
of an addition question. This is especially useful
when you need to cross into the next multiple of 10.
For example: 9 + 7 = 16
+1
9
+6
10
16

5. When working with bigger numbers, you can either
add the tens first followed by the units or add the
units first followed by the tens .
For example: 39 + 47 = 86

6. When working with bigger numbers, you can either
add the tens first followed by the units or add the
units first followed by the tens .
For example: 39 + 47 = 86
Adding the tens first
followed by the units

7. When working with bigger numbers, you can either
add the tens first followed by the units or add the
units first followed by the tens .
For example: 39 + 47 = 86
Adding the tens first
followed by the units
39
+ 40
79

8. When working with bigger numbers, you can either
add the tens first followed by the units or add the
units first followed by the tens .
For example: 39 + 47 = 86
Adding the tens first
followed by the units
39
+ 40
+1
79 80

9. When working with bigger numbers, you can either
add the tens first followed by the units or add the
units first followed by the tens .
For example: 39 + 47 = 86
Adding the tens first
followed by the units
39
+ 40
+1
79 80
+6
86

10. When working with bigger numbers, you can either
add the tens first followed by the units or add the
units first followed by the tens .
For example: 39 + 47 = 86
Or adding the units first
followed by the tens

11. When working with bigger numbers, you can either
add the tens first followed by the units or add the
units first followed by the tens .
For example: 39 + 47 = 86
Or adding the units first
followed by the tens
+1
39 40

12. When working with bigger numbers, you can either
add the tens first followed by the units or add the
units first followed by the tens .
For example: 39 + 47 = 86
Or adding the units first
followed by the tens
+1
39 40
+6
46

13. When working with bigger numbers, you can either
add the tens first followed by the units or add the
units first followed by the tens .
For example: 39 + 47 = 86
Or adding the units first
followed by the tens
+1
39 40
+6
+ 40
46
86

14. When working with bigger numbers, you can either
add the tens first followed by the units or add the
units first followed by the tens .
For example: 39 + 47 = 86
Or adding the units first
followed by the tens
+1
+6
39 40
+ 40
46
86
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