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Tools for Every Lesson

All Math Tools

Place Value

Build numbers by ones, tens, hundreds and more

Math

Current value: 0 (max 9,999,999)

millions

hundred-thousands

ten-thousands

thousands

hundreds

tens

ones

0

0

0

0

0

0

0

Add & Subtract

New

Follow guided addition & subtraction and explore number patterns with an interactive 1–100 hundreds chart.

Math

Guided Addition & Subtraction

Color-coded, step-by-step addition and subtraction.

Pick your own numbers

Max: 6 digits

+

Max: 6 digits

Or choose random numbers

A digits

B digits

Multiply & Divide

New Tab

See multiplication and division with arrays, follow guided multiplication, and use an interactive times table.

Math

Array Builder

Visualize multiplication and division as an array

Number of groups

x

# of items in each group

=

Total number of items

To see array: Use positive whole numbers for groups/items, or pair a whole-number total with a whole-number factor.

Dice Roller

Roll custom dice for games and math

Math

Number of dice

1
2
3
4
5
6
7
8
9
10

(Min 0)

(Max 9,999)

Extra Apps

More math and number apps for kids by Kate

Math
Number practice
Number practice - Practice dialing your phone number or lunch ID on a realistic keypad. It's fun, safe, confidence-building, and it celebrates with confetti when you get it right!
Number sort
Number sort - Drag numbers into order with adjustable ranges (even negatives) and an optional tens-place highlight—playful, visual practice for place value, greater than/less than and comparing numbers.
Math • Tools | Homeroom Hub