ABCya! Molly Adds & Subtracts From 20
ABCya!

This educational activity provides word problems with manipulatives for kids to practice adding and subtracting within 20.

DK Find Out! Adding and Subracting
DK

Adding and subtracting are both “operations” you can use to solve a problem.

Math Game Time: Count the Sheep II
Math Game Time

The sheep are coming and going. It’s your job to keep track of how many are still in the barn.

youcubed: Race to One Hundred
youcubed (Stanford University)

This game provides students an opportunity to practice addition, subtraction, multiplication and division as they try to reach 100 on a number chart.

youcubed: Get to Zero
youcubed (Stanford University)

This game provides students practice subtracting from 999.

NRICH: Sumo
NRICH (University of Cambridge)

A number game requiring a strategy.

NRICH: Strike it Out
NRICH (University of Cambridge)

Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.

NRICH: Pass the Peas, Please
NRICH (University of Cambridge)

Practise your addition and subtraction with the aid of a game board and some dried peas!

NRICH: Tug of War
NRICH (University of Cambridge)

Can you use the numbers on the dice to reach your end of the number line before your partner beats you?

NRICH: Countdown
NRICH (University of Cambridge)

The challenge is to use the numbers available and the four standard operations (addition, subtraction, multiplication and division) to hit the target.

NRICH: Connect Three
NRICH (University of Cambridge)

Can you place three of your counters in a straight line before your opponent does?

NRICH: Using Books - Maisy Goes Camping
NRICH (University of Cambridge)

In this task, the book ‘Maisy Goes Camping’ by Lucy Cousins introduces children to the idea of using the size and number of objects to work out how many will fit in a ‘tent’.