LEARN · PRACTICE · EXPLORE

Grade 2 Math

Practice Grade 2 math with regrouping models, equal groups, measurement, and word problems. Find worksheets and state curriculum resources.

Focused lessons · Useful practice · Clear next steps

Use this Grade 2 math center to find the skills students are expected to build, the state standards that shape classroom goals, and practice resources that make review easier at home or in class.

Start Here

Find your state

Open a student-friendly Grade 2 math standards guide for your state, DC, or Common Core.

Browse state standards

Practice the core skills

Review number sense, operations, measurement, geometry, and problem solving in a steady weekly routine.

Open practice resources

Build a study plan

Use the state guide as a checklist, then choose practice for the skill that needs the next small win.

Browse math books

Build second-grade understanding across connected skills

Second-grade math joins place value, addition and subtraction, measurement, and equal groups. Practice works best when children explain a model before relying on a written procedure. A mistake can tell you whether to review the meaning of a number, the calculation, or the language of the problem.

Explain regrouping with tens and ones

To work out 47 + 28, combine four tens and two tens, then seven ones and eight ones. The fifteen ones make one new ten and five ones. The result is seven tens and five ones, or 75. Regrouping changes how the amount is represented; it does not change the amount.

For subtraction, build 52 and remove 19. Exchange one ten for ten ones so there are four tens and twelve ones. Removing one ten and nine ones leaves three tens and three ones, or 33. Ask the child to connect each exchange in the model to the written work.

Reason with equal groups

Arrange twelve counters in three rows of four. The rows can be described by 4 + 4 + 4. Turning the array gives four rows of three, described by 3 + 3 + 3 + 3. Both arrangements contain twelve counters. This is preparation for later multiplication, rather than a demand to memorize a multiplication table now.

Keep units consistent

Estimate a desk’s length, then measure with a ruler. Write the unit with the number. A measurement of 60 centimeters and a measurement of 24 inches cannot be compared by looking only at 60 and 24. At this stage, focus on measuring carefully and comparing lengths expressed in the same unit.

Read a problem before choosing an operation

A story can describe joining, separating, or comparing. Draw what is known and mark the missing quantity. The word “more” does not always mean addition: finding how many more books one shelf has than another is a comparison and may be solved by subtraction.

Choose a worksheet that matches the difficulty you noticed. Use place-value models for exchanges, number lines for differences, or a diagram for a confusing story. Review a new example after a day or two so the child has to choose a strategy again.

See the Common Core Grade 2 overview for a general learning progression. Your state’s current curriculum and the teacher’s assignments determine local placement and priorities.

Grade 2 Math Skills

Place value to 1,000
Fluent addition and subtraction
Two-step word problems
Arrays and equal groups
Money and time
Measurement tools
Bar graphs and line plots
Fractions as equal parts
2D and 3D shapes
Reasoning and estimation

Make Grade 2 Math Easier to Track

Pick the standards page for your state, choose one skill, and practice it until the work feels familiar.

Find Your State

Grade 2 Math by State

Choose your state to open its skill targets and available practice resources.

A USEFUL NEXT STEP

Grade 2 Math: study questions

Where should we begin?

Start with the worked learning examples on this page. Choose the next activity from what the child can explain independently, then use the state curriculum source and classroom assignments to check placement.

Should every session be timed?

No. Begin with a short explanation, model, or reading discussion. Fluency can develop through repeated practice after the underlying idea is understood.

Resources from Effortless Math · Editorial standards