About this worksheet
This Grade 2 worksheet gives focused practice with addition and subtraction fluency with facts to 20. The workbook reference treats this as a repeatable classroom skill, so the questions move through equations, short situations, visual models, and explanation choices instead of asking the same thing ten times. Second graders often know a procedure in one format but lose it when the numbers, words, or picture change. This page keeps the numbers friendly enough for independent practice while requiring students to name what the situation asks, choose a useful strategy, and check that the answer fits. Support versions use smaller numbers and direct language. Standard and challenge versions add closer distractors and multi-step reasoning. A common slip is counting every fact from one instead of using make-ten, doubles, or related facts. Encourage children to read the whole prompt, mark the important values, and say why their answer makes sense before moving on.
What your child will learn
- Add facts to 20
- Subtract related facts
- Use doubles and near doubles
- Find make-ten shortcuts
Worked example
For 9 + 7, move 1 from 7 to make 10 + 6, so the answer is 16.
Common mistake
Forgetting that subtraction facts can be checked by a related addition fact.
Helpful hint
Look for ten, doubles, or a related fact.