These activities are part of our Primary collections, which are problems grouped by topic.
Strike it Out
Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.
Fifteen cards
Consecutive Numbers
An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.
Play to 37
Build it up
Subtraction Surprise
Buying a Balloon
Space distances
Super Shapes
The value of the circle changes in each of the following problems. Can you discover its value in each problem?
Finding Fifteen
Roll these Dice
Roll two red dice and a green dice. Add the two numbers on the red dice and take away the number on the green. What are all the different possible answers?
Six Ten Total
Maze 100
Six Numbered Cubes
Domino Square
What Distance?
Can you use addition and subtraction to answer these questions about real-life distances?
Ordering Journeys
How would you put these journey lengths in order?
Amy's Dominoes
Twenty Divided into Six
Reach 100
Choose four different digits from 1-9 and put one in each box so that the resulting four two-digit numbers add to a total of 100.
Sealed Solution
Got It
A game for two people, or play online. Given a target number, say 23, and a range of numbers to choose from, say 1-4, players take it in turns to add to the running total to hit their target.
Dice in a Corner
How could you arrange at least two dice in a stack so that the total of the visible spots is 18?
4 Dom