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Nurturing young mathematicians: teacher webinars

30 April (Primary), 1 May (Secondary)

30 April (Primary), 1 May (Secondary)

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There are **67** NRICH Mathematical resources connected to **NC Yr 3**, you may find related items under NC.

Problem
Primary curriculum
Secondary curriculum
### Class 5's Names

Class 5 were looking at the first letter of each of their names. They created different charts to show this information. Can you work out which member of the class was away on that day?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Fifteen Cards

Can you use the information to find out which cards I have used?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### The Time Is ...

Can you put these mixed-up times in order? You could arrange them in a circle.

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Journeys in Numberland

Tom and Ben visited Numberland. Use the maps to work out the number of points each of their routes scores.

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### The Car That Passes

What statements can you make about the car that passes the school gates at 11am on Monday? How will you come up with statements and test your ideas?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Inky Cube

This cube has ink on each face which leaves marks on paper as it is rolled. Can you work out what is on each face and the route it has taken?

Age 7 to 14

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Triple Cubes

This challenge involves eight three-cube models made from interlocking cubes. Investigate different ways of putting the models together then compare your constructions.

Age 5 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Follow the Numbers

What happens when you add the digits of a number then multiply the result by 2 and you keep doing this? You could try for different numbers and different rules.

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Stick Images

This task requires learners to explain and help others, asking and answering questions.

Age 7 to 14

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Arranging Cubes

A task which depends on members of the group working collaboratively to reach a single goal.

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Planning a School Trip

You are organising a school trip and you need to write a letter to parents to let them know about the day. Use the cards to gather all the information you need.

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Fraction Match

A task which depends on members of the group noticing the needs of others and responding.

Age 5 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Number Match

A task which depends on members of the group noticing the needs of others and responding.

Age 5 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### How Do You Do It?

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

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Strike it Out

Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.

Age 5 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Coded Hundred Square

This 100 square jigsaw is written in code. It starts with 1 and ends with 100. Can you build it up?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Magic Vs

Can you put the numbers 1-5 in the V shape so that both 'arms' have the same total?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Oh! Harry!

A group of children are using measuring cylinders but they lose the labels. Can you help relabel them?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### What Do You Need?

Four of these clues are needed to find the chosen number on this grid and four are true but do nothing to help in finding the number. Can you sort out the clues and find the number?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### How Much Did it Cost?

Use your logical-thinking skills to deduce how much Dan's crisps and ice-cream cost altogether.

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Overlapping Again

What shape is the overlap when you slide one of these shapes half way across another? Can you picture it in your head? Use the interactivity to check your visualisation.

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### What's in the Box?

This big box multiplies anything that goes inside it by the same number. If you know the numbers that come out, what multiplication might be going on in the box?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Music to My Ears

Can you predict when you'll be clapping and when you'll be clicking if you start this rhythm? How about when a friend begins a new rhythm at the same time?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Real Statistics

Have a look at this table of how children travel to school. How does it compare with children in your class?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Two Clocks

These clocks have only one hand, but can you work out what time they are showing from the information?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Board Block Challenge

Choose the size of your pegboard and the shapes you can make. Can you work out the strategies needed to block your opponent?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Number Differences

Place the numbers from 1 to 9 in the squares below so that the difference between joined squares is odd. How many different ways can you do this?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Finding Fifteen

Tim had nine cards each with a different number from 1 to 9 on it. How could he have put them into three piles so that the total in each pile was 15?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Building Blocks

Here are some pictures of 3D shapes made from cubes. Can you make these shapes yourself?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### A Mixed-up Clock

There is a clock-face where the numbers have become all mixed up. Can you find out where all the numbers have got to from these ten statements?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### A Square of Numbers

Can you put the numbers 1 to 8 into the circles so that the four calculations are correct?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### 5 on the Clock

On a digital clock showing 24 hour time, over a whole day, how many times does a 5 appear? Is it the same number for a 12 hour clock over a whole day?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### 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?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Clocks

These clocks have been reflected in a mirror. What times do they say?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### 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.

Age 7 to 14

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Sealed Solution

Ten cards are put into five envelopes so that there are two cards in each envelope. The sum of the numbers inside it is written on each envelope. What numbers could be inside the envelopes?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### The Third Dimension

Here are four cubes joined together. How many other arrangements of four cubes can you find? Can you draw them on dotty paper?

Age 5 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Square Corners

What is the greatest number of counters you can place on the grid below without four of them lying at the corners of a square?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### A Puzzling Cube

Here are the six faces of a cube - in no particular order. Here are three views of the cube. Can you deduce where the faces are in relation to each other and record them on the net of this cube?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Super Shapes

The value of the circle changes in each of the following problems. Can you discover its value in each problem?

Age 7 to 11

ShortChallenge Level

Problem
Primary curriculum
Secondary curriculum
### Amy's Dominoes

Amy has a box containing domino pieces but she does not think it is a complete set. Which of her domino pieces are missing?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Wonky Watches

Stuart's watch loses two minutes every hour. Adam's watch gains one minute every hour. Use the information to work out what time (the real time) they arrived at the airport.

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### How Many Times?

On a digital 24 hour clock, at certain times, all the digits are consecutive. How many times like this are there between midnight and 7 a.m.?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Watch the Clock

During the third hour after midnight the hands on a clock point in the same direction (so one hand is over the top of the other). At what time, to the nearest second, does this happen?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Which Scripts?

There are six numbers written in five different scripts. Can you sort out which is which?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Buying a Balloon

Lolla bought a balloon at the circus. She gave the clown six coins to pay for it. What could Lolla have paid for the balloon?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### 4 Dom

Use these four dominoes to make a square that has the same number of dots on each side.

Age 5 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Domino Square

Use the 'double-3 down' dominoes to make a square so that each side has eight dots.

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### 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?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Consecutive Numbers

An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.

Age 7 to 14

Challenge Level