Add and subtract to 20
Solve the sum and pick the right answer. A free game for grades 1 and 2.
How to play
- An addition or subtraction appears.
- Your child picks the right answer out of three numbers.
- Each right answer on the first try wins a star. A game has 10 sums.
What your child learns
- Adding up to 20
- Subtracting up to 20
- Quick mental math
Examples from the game
- 3 + 4 = 7
- 8 + 6 = 14
- 12 − 5 = 7
- 20 − 9 = 11
- 9 + 9 = 18
- 15 − 8 = 7
Parent and teacher card
- Age
- Ages 6 to 7
- Level
- Grades 1 and 2
- Topic
- Numbers and math
- Length
- 10 questions, about 5 minutes
- Skills
- Adding up to 20 · Subtracting up to 20 · Quick mental math
- At home
- Let your child count on their fingers at first, then encourage them to work it out in their head. Everyday objects help explain.
- In class
- split pupils into two teams that answer in turn. Ask each pupil to explain how they found the answer.