What grade is Big Number Climb for?

2nd and 3rd grade. It’s a 3-digit addition game with 5 levels that move up when your kid is ready.

Which standards does Big Number Climb cover?

It lines up with Common Core math 2.NBT.B.7 and 3.NBT.A.2. Standards vary by state, so check with your kid’s teacher for the exact match.

Does my kid need to read to play Big Number Climb?

No. Every question is read aloud, so kids who are still learning to read can play on their own.

How long is a round of Big Number Climb?

About 10 questions, a few minutes. Nine right on the first try and the next round is a level harder; a tough round steps back one.

Is Big Number Climb free?

It comes with every plan, from $7.99 a month, with a 7-day free trial. Number Garden and Gator Compare are free.

Math · Adding and subtracting

Big Number Climb: Three-digit adding and subtracting with carrying and borrowing

Every solved problem fuels a rocket on the launch pad. Kids add and subtract three-digit numbers in hundreds, tens and ones columns, typing the answer ones first and marking carries and borrows. The last level asks whether a finished answer is right.

Grades2nd grade, 3rd grade
Levels5, from “Add, no carry” to “Mix and check”
A roundAbout 10 questions, a few minutes
PriceWith any plan, from $7.99 a month

Try it free for 7 days See plans and prices

How Big Number Climb works

Questions are read aloud, so kids who are still learning to read can play on their own.
A wrong answer shows why, with the picture or the steps, and then they try again.
Nine right on the first try and the next round is a level harder. A tough round steps back one.
Each game they play builds a spot in their own valley, and stars go in their sticker book.

The 5 levels

Add, no carry
Add with carrying
Subtract, no borrow
Subtract with borrowing
Mix and check

What it lines up with in school

Common Core State Standards for Mathematics. Standards vary by state, so check with your kid’s teacher.

2.NBT.B.7: Add and subtract within 1,000, including regrouping.
3.NBT.A.2: Add and subtract within 1,000 fluently.

Practice it at home

Add up a pretend shopping list with three-digit prices on paper, lining up hundreds, tens and ones.
Check a subtraction by adding the answer back: 503 − 278 = 225, and 225 + 278 should give 503.

Questions about Big Number Climb

What grade is Big Number Climb for?: 2nd and 3rd grade. It’s a 3-digit addition game with 5 levels that move up when your kid is ready.
Which standards does Big Number Climb cover?: It lines up with Common Core math 2.NBT.B.7 and 3.NBT.A.2. Standards vary by state, so check with your kid’s teacher for the exact match.
Does my kid need to read to play Big Number Climb?: No. Every question is read aloud, so kids who are still learning to read can play on their own.
How long is a round of Big Number Climb?: About 10 questions, a few minutes. Nine right on the first try and the next round is a level harder; a tough round steps back one.
Is Big Number Climb free?: It comes with every plan, from $7.99 a month, with a 7-day free trial. Number Garden and Gator Compare are free.

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