Mental Math Strategies Worksheets Grade 2

Mathematics

Mental Computation

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

7 problems
  1. Emma has 36 crayons in her art box. Her teacher gives her 28 more crayons for a class project. How many crayons does Emma have now?
  2. Emma has 36 crayons in her art box. Her teacher gives her 28 more crayons for a special project. How many crayons does Emma have now?
  3. A rectangular classroom has desks arranged in 7 rows with 8 desks in each row. How many desks are there in total?

…and 4 more problems

Open & Print Worksheet 1

Worksheet 2

10 problems
  1. Emma has 36 crayons in her art box. Her teacher gives her 28 more crayons for a big drawing project. How many crayons does Emma have now?
  2. 45 + 27 = ?
  3. 42 + 19 = ?

…and 7 more problems

Open & Print Worksheet 2

Worksheet 3

7 problems
  1. Leo is collecting leaves for a school project. Leo found 12 leaves on Monday and 12 leaves on Tuesday. How many leaves did Leo find in total?
  2. Oliver has 17 stickers. Oliver's mom gives Oliver 29 more stickers. How many stickers does Oliver have now?
  3. Mason has 28 stickers. Mason's mom gives Mason 24 more stickers. How many stickers does Mason have now?

…and 4 more problems

Open & Print Worksheet 3

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