The "What if..?" questions are such an important part of mathematical thinking. Knowing what to ask means that you understand something about the structure of the problem, and being able to see similarities and differences means you're starting to generalise.

This collection is one of our Primary Curriculum collections - tasks that are grouped by topic.

### Take one example

### Money Bags

### School fair necklaces

### Factors and Multiples Game

A game in which players take it in turns to choose a number. Can you block your opponent?

### Exploring Wild & Wonderful Number Patterns

### Diagonally Square

### Magic Vs

### Follow the numbers

### Take three numbers

### Division Rules

### Always, Sometimes or Never? Number

### Always, Sometimes or Never? Shape

### Neighbourly Addition

### 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.

### Make 37

Four bags contain a large number of 1s, 3s, 5s and 7s. Can you pick any ten numbers from the bags so that their total is 37?