Add 7 gives children their first taste of seven-sized jumps, and most of its facts cross ten.

Counting on from 7

  1. 8
  2. 9
  3. 10
  4. 11
  5. 12
  6. 13
  7. 14
  8. 15
  9. 16
  10. 17
  11. 18
  12. 19

For the other number from 3 to 12, the ones digit of the answer is that number minus 3: 7 + 5 = 12 ends in 2.

Tip for the add 7 facts

Make ten with the 3 that 7 needs: for 7 + 5, take 3 from the 5 to reach 10, then add the leftover 2 to get 12.

The 3 hardest facts

These need a bridge across ten, and 7 + 8 is also the near double 7 + 7 = 14 plus 1. Practice both routes.

Turnaround facts

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

Play the add 7 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

Why is 7 + 8 hard?

It is a big fact that crosses ten, and children often confuse it with 7 + 7. Link them: double 7 is 14, so one more is 15.

What number partners with 7 to make ten?

3 does: 7 + 3 = 10. Knowing the pairs that make ten is the single best help for this family.