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.

### 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

### 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?

### Maze 100

### Six Ten Total

### Domino Square

### Six Numbered Cubes

### What Distance?

Can you use addition and subtraction to answer these questions about real-life distances?

### 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?