Zoorithmetic

Add 6: Addition Facts

6 + 1 = 7
6 + 2 = 8
6 + 3 = 9
6 + 4 = 10
6 + 5 = 11
6 + 6 = 12
6 + 7 = 13
6 + 8 = 14
6 + 9 = 15
6 + 10 = 16
6 + 11 = 17
6 + 12 = 18

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Add 6 sits just past the middle of the basic facts, so it is the first family where near doubles really pay off.

Counting on from 6

  1. 7
  2. 8
  3. 9
  4. 10
  5. 11
  6. 12
  7. 13
  8. 14
  9. 15
  10. 16
  11. 17
  12. 18

The double 6 + 6 = 12 is the middle of the family: answers below it are 7 to 11 and answers above it are 13 to 18.

Tip for the add 6 facts

Use the near double: 6 + 7 is 6 + 6 = 12 plus 1, so 13. For 6 + 9, give 1 from the 6 to the 9 to make 10, then add the leftover 5 to get 15.

The 3 hardest facts

Each of these crosses ten and none is a double. Start from 6 + 6 = 12 or make ten, whichever your child sees first.

Turnaround facts

Swapping the numbers gives the same answer, so each fact below is learned once and used twice.

Play the add 6 facts game

Untimed by default. A missed fact shows its answer and comes back later in the round.

One US Letter page, clear in black and white.

Download the PDF

Questions parents ask

What is the fastest fact in add 6?

6 + 6 = 12 is usually the first to stick because it is a double. Build the facts next to it from there.

How do near doubles work?

A near double is a fact such as 6 + 7, one away from a double. Double the smaller number and add 1, so 12 + 1 = 13.