Addition

Addition table to 20: how to practice without overload

Addition to 20 is the base for early mental math. When a child sees number pairs and crossing ten clearly, subtraction, multiplication, and word problems become easier.

Use a gradual route

Do not start with every sum to 20 at once. For a first grader, 8 + 7 can be a chain of steps: make ten, move the remaining part, and only then name the answer.

Step What to practice Examples

To 5 first sums and confidence 2 + 1, 3 + 2

To 10 number pairs and composition 6 + 3, 4 + 5

Across 10 making ten first 8 + 5, 9 + 4

To 20 stable recall 12 + 6, 14 + 5

When to move forward

A child does not need instant answers on every step. It is more important to make fewer guesses, explain the route, and solve similar facts more calmly over several sessions.

repeat a group separately if the same errors return
stop earlier if attention drops after a few minutes
give nearby examples when an answer is right but slow
do not rush crossing ten if pairs to 10 are still weak

How Extramath helps

Extramath splits addition into small segments, keeps progress on the device, and lets parents see the current learning area.

This is useful when a large worksheet makes the child anxious. The child sees a small task for today, not an endless test.

Extramath

Start with addition

Open the app and choose addition or a level check.

Open trainer

FAQ

Do printable addition tables help?

They can help as a visual support, but they do not replace short practice and calm review.

When should subtraction begin?

Subtraction is easier after the child sees number pairs and understands addition as a reversible relationship.