# Resources tagged with: Mental calculation strategies

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### There are 39 results

Broad Topics > Calculations and Numerical Methods > Mental calculation strategies

### What Is Ziffle?

##### Age 7 to 11Challenge 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.

### Compare the Calculations

##### Age 7 to 11Challenge Level

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

### More Playing with Numbers Upper Primary

##### Age 7 to 11

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

### Current Playing with Number Upper Primary Teacher

##### Age 7 to 11Challenge Level

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

### Wild Jack

##### Age 7 to 11Challenge 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.

### Down to Nothing

##### Age 7 to 11Challenge 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.

### Going Round in Circles

##### Age 11 to 14Challenge Level

Mathematicians are always looking for efficient methods for solving problems. How efficient can you be?

### Missing Multipliers

##### Age 7 to 14Challenge Level

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

### Calculator Bingo

##### Age 7 to 11Challenge 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!

### Criss Cross Quiz

##### Age 7 to 11Challenge Level

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

##### Age 7 to 11Challenge Level

Can you match these calculation methods to their visual representations?

### Can You Make 100?

##### Age 11 to 14Challenge Level

How many ways can you find to put in operation signs (+ - x Ã·) to make 100?

### How Do You Do It?

##### Age 7 to 11Challenge Level

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

### 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.

### Dicey Operations

##### Age 11 to 14Challenge Level

Who said that adding, subtracting, multiplying and dividing couldn't be fun?

### Countdown

##### Age 7 to 14Challenge Level

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

### Flip Flop - Matching Cards

##### Age 5 to 11Challenge Level

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

### Intersection Sums Sudoku

##### Age 7 to 16Challenge Level

A Sudoku with clues given as sums of entries.

### Dicey Operations in Line for Two

##### Age 7 to 11Challenge Level

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

### Multiplication Tables - Matching Cards

##### Age 5 to 11Challenge Level

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

### Subtraction Squares

##### Age 5 to 11Challenge 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?

### Being Curious - Primary Number

##### Age 5 to 11Challenge Level

Number problems for inquiring primary learners.

### Integrated Sums Sudoku

##### Age 11 to 16Challenge Level

The puzzle can be solved with the help of small clue-numbers which are either placed on the border lines between selected pairs of neighbouring squares of the grid or placed after slash marks on. . . .

### Consecutive Seven

##### Age 11 to 14Challenge Level

Can you arrange these numbers into 7 subsets, each of three numbers, so that when the numbers in each are added together, they make seven consecutive numbers?

### Bochap Sudoku

##### Age 11 to 16Challenge Level

This Sudoku combines all four arithmetic operations.

### Fifteen

##### Age 7 to 14Challenge Level

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

### Chocoholics

##### Age 7 to 11Challenge 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?

### Overlaps

##### Age 11 to 14Challenge Level

Can you find ways to put numbers in the overlaps so the rings have equal totals?

##### Age 11 to 14Challenge Level

Think of a number, add one, double it, take away 3, add the number you first thought of, add 7, divide by 3 and take away the number you first thought of. You should now be left with 2. How do I. . . .

### Shapes on the Playground

##### Age 7 to 11Challenge 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?

### Is it Magic or Is it Maths?

##### Age 11 to 14Challenge Level

Here are three 'tricks' to amaze your friends. But the really clever trick is explaining to them why these 'tricks' are maths not magic. Like all good magicians, you should practice by trying. . . .

### Domino Magic Rectangle

##### Age 7 to 16Challenge 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...

### 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.

### Transformations Tables

##### Age 7 to 11Challenge Level

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

### Days and Dates

##### Age 11 to 14Challenge Level

Investigate how you can work out what day of the week your birthday will be on next year, and the year after...

### Thousands and Millions

##### Age 11 to 14Challenge Level

Here's a chance to work with large numbers...

### Prime Magic

##### Age 7 to 16Challenge 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?