Real-time multiplayer

Fast-Paced Addition Practice Built for 4th Grade Skills

Help 4th graders sharpen addition fluency through quick multiplayer rounds designed to match their growing math confidence.

MathIt turns addition practice into a live multiplayer challenge that feels exciting for 4th graders, not repetitive. At ages 9-10, students are building speed and accuracy with larger numbers, and MathIt gives them a fun way to strengthen those skills in short, focused rounds. Friends can join with a simple code and race to solve sums first, making an addition game for 4th graders feel motivating every time they play.

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

K

Features

Everything you need to make math practice stick

Safe for Kids

No chat, no social features, kid-friendly design. PRO users enjoy an ad-free experience.

Real-Time Multiplayer

Compete with 2-5 players simultaneously in real-time math battles. Every millisecond counts!

All Math Operations

Addition, subtraction, multiplication, division, square roots, and powers. Full arithmetic coverage.

Play these free in your browser

Adding 1-Digit Numbers

Grade 1–2

Adding 2-Digit Numbers

Grade 1–2

Addition with Regrouping

Grade 2–3

Adding Doubles

Grade 1–2

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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

799 + 112 = ? Show answer

911

850 + 470 = ? Show answer

1320

275 + 12 = ? Show answer

287

944 + 611 = ? Show answer

1555

174 + 938 = ? Show answer

1112

540 + 765 = ? Show answer

1305

Skills you’ll practice

Multiplication Division Arithmetic

Addition in 4th grade

By fourth grade addition is rarely the point of a question; it sits inside multi-step problems and alongside multiplication. The errors move accordingly — misaligned columns when the two numbers have different lengths, and addition performed at the wrong moment in a longer calculation. Accuracy over several steps matters more than speed on any single sum.

Fourth grade extends the tables to 12 × 12 and puts them to work — multi-digit multiplication, division with remainders, factors and multiples, and the first serious fraction work. Fractions are where the year is won or lost, and they lean directly on multiplication: finding common denominators is a times-table exercise wearing a disguise.

4th graders are expected to add multi-digit numbers reliably and recognise addition inside multi-step word problems; after that comes multi-digit addition and adding within word problems.

Watch for misaligning the columns when the two numbers have different digit counts.

More than one way to practice math

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

Frequently Asked Questions

How can I help my child get faster at addition?

Target the strategies rather than the sums. Make-a-ten and near-doubles cover most of the facts children find hard, and both depend on knowing number bonds to 10 instantly. Short daily practice beats long sessions — recall is built by frequency.

What addition should a 4th grader know?

Enough to add multi-digit numbers reliably and recognise addition inside multi-step word problems.

Why does my 4th grader keep getting addition wrong?

Most often: misaligning the columns when the two numbers have different digit counts.

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Fast-Paced Addition Practice Built for 4th Grade Skills

More than one way to practice math

Kindergarten object games

Grade practice games

Logic puzzles

Mental-math lessons

Multiplayer math battles

Features

Safe for Kids

Real-Time Multiplayer

All Math Operations

Play these free in your browser

Adding 1-Digit Numbers

Adding 2-Digit Numbers

Addition with Regrouping

Adding Doubles

Try it now — 60-second drill

Sample problems

Skills you’ll practice

Addition in 4th grade

More than one way to practice math

Frequently Asked Questions

Related Pages