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Fast Mental Math Challenges Built for 12-Year-Olds

Train speed, accuracy, and confidence with mental math games designed for 12-year-olds ready for bigger number challenges.

MathIt is a great fit for 12-year-olds who are ready to solve math problems in their heads faster and with more accuracy. The app combines mental math lessons, timed drills, and game-style challenges that match this age group's growing skills in multiplication, division, percentages, estimation, and multi-step arithmetic. Whether they want solo practice or quick competitive rounds, MathIt makes mental math training feel active, rewarding, and age-appropriate.

Loved by 100,000+ users who use MathIt to build stronger math skills for kids, students, families, and adults.

More than one way to practice math

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Features

Everything you need to make math practice stick

20 Languages

Play in your native language. MathIt supports English, Spanish, French, German, Russian, Japanese, and 14 more.

Fair Scoring System

First correct answer earns 2 points, second earns 1 point. Speed and accuracy both matter.

Custom Games (PRO)

PRO users create custom games with chosen operations, number ranges, and time limits.

Play these free in your browser

Times Tables

Grade 3+

Adding Doubles

Grade 1–2

Number Bonds

Grade 1–2

Play free in your browser →

Try it now — 60-second drill

Answer as many as you can in 60 seconds. No sign-up — this is the same practice you get in the MathIt app.

Sample problems

4 × 19 = ? Show answer

76

2 × 11 = ? Show answer

22

30 ÷ 3 = ? Show answer

10

12 × 20 = ? Show answer

240

2 × 19 = ? Show answer

38

28 ÷ 7 = ? Show answer

4

Mixed arithmetic in 6th grade

Sixth grade mixes negatives with several operations at once, and signs are what get lost. The useful skills are strategic rather than computational: estimating before calculating, halving and doubling to simplify, and knowing roughly what an answer should be. If 47 × 21 should be near 1,000, a result of 9,870 is visibly a mistyped key.

Sixth grade is the bridge into algebra. Ratios and proportions, negative numbers, one-step equations and expressions with unknowns all arrive, and every one of them assumes fluent arithmetic underneath. A student solving 3x = 21 has to see 21 ÷ 3 instantly, or the algebra gets buried under the calculation.

6th graders are expected to work with ratios, negatives and one-step equations; after that comes ratios, negatives and one-step equations.

Watch for losing signs when negatives and several operations appear together.

More than one way to practice math

Optional ad-free subscription: $0.99/mo or $5.99/yr

Frequently Asked Questions

Is mixed practice better than practising one operation at a time?

Both have a use. Practising one operation builds the facts; mixing them builds the habit of reading the problem before answering, which is what breaks down in word problems and on tests. Use single-operation practice to fix a gap and mixed practice to keep it.

What mixed arithmetic should a 6th grader know?

Enough to work with ratios, negatives and one-step equations.

Why does my 6th grader keep getting mixed arithmetic wrong?

Most often: losing signs when negatives and several operations appear together.

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Fast Mental Math Challenges Built for 12-Year-Olds

More than one way to practice math

Kindergarten object games

Grade practice games

Logic puzzles

Mental-math lessons

Multiplayer math battles

Features

20 Languages

Fair Scoring System

Custom Games (PRO)

Play these free in your browser

Times Tables

Adding Doubles

Number Bonds

Try it now — 60-second drill

Sample problems

Mixed arithmetic in 6th grade

More than one way to practice math

Frequently Asked Questions

Related Pages