Mental Math Within 20 Worksheets Grade 2

Mathematics

Mental Addition/Subtraction

Each printable worksheet below is a full page of practice problems and comes with an answer key that explains how to solve every problem, step by step. Open a worksheet and use the Print / Save as PDF button to download it.

Worksheet 1

10 problems
  1. Mere has 38 stickers. Mere gives away 31 stickers to a friend. How many stickers does Mere have left?
  2. Ethan and Ethan are playing a card game. Ethan has 45 points. Ethan needs 30 more points to win. How many points does a player need to win the game?
  3. A baker had 75 cookies in the morning. She baked 24 more cookies in the afternoon. How many cookies does she have now?

…and 7 more problems

Open & Print Worksheet 1

Worksheet 2

8 problems
  1. Maya and Maya are playing a card game. Maya has 34 points. Maya needs 11 more points to win. How many points does a player need to win the game?
  2. Noah has 42 toy cars in his collection. For his birthday, his aunt gives him 25 more toy cars. How many toy cars does Noah have now?
  3. Noah has 32 toy cars in his collection. For his birthday, he receives 25 more toy cars from his friends. How many toy cars does Noah have in total now?

…and 5 more problems

Open & Print Worksheet 2

Worksheet 3

4 problems
  1. A rectangular garden has 7 rows of flowers. Each row has 8 flowers. How many flowers are there in total?
  2. 46 + 31 = ?
  3. A rectangular garden has 8 rows of flowers with 7 flowers in each row. How many flowers are there in total?

…and 1 more problems

Open & Print Worksheet 3

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