Add 12: Addition Facts

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Add 12 is the top of the basic range and ends with a pair of twelves that make 24.

Counting on from 12

The answers 13 to 24 run one after another, and the last one, 12 + 12 = 24, is a double.

Add 10 and then 2 in two steps: 12 + 5 is 10 + 5 = 15, then 2 more is 17. The double 6 + 6 = 12 shows where the number comes from.

Past nineteen the number names change, and 12 + 12 is a big double. Say each as tens and ones: twenty, twenty-one, twenty-four.

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

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.

10 questions, no timer. At the end you see the score, the facts to practice and a sheet you can print.

12 + 12 = 24. Every fact in these pages has a sum of 24 or less, which matches the Basic Facts range for kindergarten to third grade.

The idea is the same, a small jump, but the answers start at 13. Children who know add 2 can add 10 first and then the 2.