Addition Table Patterns

What pattern shown in yellow

• odds

• 4s

• 5s

• evens

3+10=

• 12

• 13

• 11

• 10

What is the pattern of numbers going down in purple, starting at 0 ?

• +0

• +1

• +3

• +2

Describe the pattern of purple numbers.They are

• addends

• odd

• even

Look at the shaded 12. Which row and column was used for tis sum?

• 8 and 3

• 2 and 9

• 8 and 4

• 6 and 6

What is the sum of 4 and 6 ?

• 12

• 10

• 11

• 9

What is the sum of 9 and 8 ?

• 16

• 18

• 19

• 17

What is the patten of the higlighted numbers?

• +1

• +3

• +2

• +0

How do you get the sum 19?

• 10+8 =10+9

• 9+10=10+9

• 7+11=11+7

• 12+5=5+12