Grade 1 · ages 6 to 7

Add and subtract to 20

Bea the bunny puts groups together and takes them apart. Learn number bonds, make 10, doubles and what the equals sign means.

Bea, a pink bunny, holding up one paw to count

Try it first

Play with these before the lessons. They are free and open now.

The 8 lessons

Each lesson has a picture to learn from, two worked examples and five practice questions.

  1. Put two groups togetherAdding means joining · Number bonds5 questions
  2. Take some awaySubtracting means taking away5 questions
  3. Number bonds to 10Two parts make a whole · Number bonds5 questions
  4. Make 10 to add8 + 5 is 10 + 3 · Ten frame5 questions
  5. Doubles and near doubles6 + 6 helps with 6 + 75 questions
  6. What the = sign meansBoth sides are the same · Balance scale5 questions
  7. Find the missing number4 + ? = 9 · Balance scale5 questions
  8. Fact familiesThree numbers, four facts · Number bonds5 questions

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