# Resources tagged with: Mental calculation strategies

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### There are 32 results

Broad Topics > Calculations and Numerical Methods > Mental calculation strategies

### Fifteen

##### Age 7 to 14 Challenge Level:

Can you spot the similarities between this game and other games you know? The aim is to choose 3 numbers that total 15.

### Subtraction Squares

##### Age 5 to 11 Challenge Level:

A game for 2 players. Using 2 dice, some counters and a games board, can you form a line of counters from one side of the board to the other?

### Multiplication Tables - Matching Cards

##### Age 5 to 11 Challenge Level:

Practise your tables skills and try to beat your previous best score in this interactive game.

### Intersection Sums Sudoku

##### Age 7 to 16 Challenge Level:

A Sudoku with clues given as sums of entries.

### Countdown

##### Age 7 to 14 Challenge Level:

Here is a chance to play a version of the classic Countdown Game.

### Flip Flop - Matching Cards

##### Age 5 to 11 Challenge Level:

Practise your number bonds whilst improving your memory in this matching pairs game.

### Dicey Operations in Line for Two

##### Age 7 to 11 Challenge Level:

Dicey Operations for an adult and child. Can you get close to 1000 than your partner?

### Down to Nothing

##### Age 7 to 11 Challenge Level:

A game for 2 or more people. Starting with 100, subratct a number from 1 to 9 from the total. You score for making an odd number, a number ending in 0 or a multiple of 6.

### Calculator Bingo

##### Age 7 to 11 Challenge Level:

This is a game for two players. What must you subtract to remove the rolled digit from your number? The first to zero wins!

### More Playing with Numbers Upper Primary

##### Age 7 to 11

More resources to support understanding multiplication and division through playing with numbers

### Let's Get Flexible!

##### Age 5 to 11

In this article for primary teachers, Ems outlines how we can encourage learners to be flexible in their approach to calculation, and why this is crucial.

### Compare the Calculations

##### Age 7 to 11 Challenge Level:

Can you put these four calculations into order of difficulty? How did you decide?

### Being Curious - Primary Number

##### Age 5 to 11 Challenge Level:

Number problems for inquiring primary learners.

### What Is Ziffle?

##### Age 7 to 11 Challenge Level:

Can you work out what a ziffle is on the planet Zargon?

### More Playing with Number Upper Primary

##### Age 7 to 11

Related resources supporting pupils' understanding of multiplication and division through playing with numbers.

### Current Playing with Number Upper Primary Teacher

##### Age 7 to 11 Challenge Level:

Resources to support understanding of multiplication and division through playing with number.

### Picture Your Method

##### Age 7 to 11 Challenge Level:

Can you match these calculation methods to their visual representations?

### Chocoholics

##### Age 7 to 11 Challenge Level:

George and Jim want to buy a chocolate bar. George needs 2p more and Jim need 50p more to buy it. How much is the chocolate bar?

### Clever Carl

##### Age 7 to 14

What would you do if your teacher asked you add all the numbers from 1 to 100? Find out how Carl Gauss responded when he was asked to do just that.

### Wild Jack

##### Age 7 to 11 Challenge Level:

A game for 2 or more players with a pack of cards. Practise your skills of addition, subtraction, multiplication and division to hit the target score.

### Criss Cross Quiz

##### Age 7 to 11 Challenge Level:

A game for 2 players. Practises subtraction or other maths operations knowledge.

### Pass the Peas, Please

##### Age 5 to 7 Challenge Level:

A game for 2 or more players. Practise your addition and subtraction with the aid of a game board and some dried peas!

### Arranging Additions and Sorting Subtractions

##### Age 5 to 7 Challenge Level:

Order these four calculations from easiest to hardest. How did you decide?

### Missing Multipliers

##### Age 7 to 14 Challenge Level:

What is the smallest number of answers you need to reveal in order to work out the missing headers?

### More Playing with Number Lower Primary

##### Age 5 to 7

Some additional activities to develop children's understanding of addition and subtraction of number through playing with number.

### Fruity Pairs

##### Age 5 to 7 Challenge Level:

Which two items of fruit could Kate and Sam choose? Can you order the prices from lowest to highest?

### Subtraction Slip

##### Age 5 to 7 Challenge Level:

Can you spot the mistake in this video? How would you work out the answer to this calculation?

### Shapes on the Playground

##### Age 7 to 11 Challenge Level:

Sally and Ben were drawing shapes in chalk on the school playground. Can you work out what shapes each of them drew using the clues?

### Domino Magic Rectangle

##### Age 7 to 16 Challenge Level:

An ordinary set of dominoes can be laid out as a 7 by 4 magic rectangle in which all the spots in all the columns add to 24, while those in the rows add to 42. Try it! Now try the magic square...

### How Do You Do It?

##### Age 7 to 11 Challenge Level:

This group activity will encourage you to share calculation strategies and to think about which strategy might be the most efficient.

### Transformations Tables

##### Age 7 to 11 Challenge Level:

These grids are filled according to some rules - can you complete them?

### Prime Magic

##### Age 7 to 16 Challenge Level:

Place the numbers 1, 2, 3,..., 9 one on each square of a 3 by 3 grid so that all the rows and columns add up to a prime number. How many different solutions can you find?