Resources tagged with: Comparing and ordering numbers

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There are 73 NRICH Mathematical resources connected to Comparing and ordering numbers, you may find related items under The Number System and Place Value.

Broad Topics > The Number System and Place Value > Comparing and ordering numbers

Number Lines in Disguise

Age 7 to 14Challenge Level

Some of the numbers have fallen off Becky's number line. Can you figure out what they were?

Carroll Diagrams

Age 5 to 11Challenge Level

Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?

Greater Than or Less Than?

Age 7 to 11Challenge Level

Use the numbers and symbols to make this number sentence correct. How many different ways can you find?

Can You Do it Too?

Age 5 to 7Challenge Level

Try some throwing activities and see whether you can throw something as far as the Olympic hammer or discus throwers.

Now and Then

Age 7 to 11Challenge Level

Look at the changes in results on some of the athletics track events at the Olympic Games in 1908 and 1948. Compare the results for 2012.

Olympic Starters

Age 7 to 11Challenge Level

Look at some of the results from the Olympic Games in the past. How do you compare if you try some similar activities?

Largest Even

Age 5 to 7Challenge Level

How would you create the largest possible two-digit even number from the digit I've given you and one of your choice?

Light the Lights

Age 5 to 7Challenge Level

Investigate which numbers make these lights come on. What is the smallest number you can find that lights up all the lights?

I Like ...

Age 5 to 7Challenge Level

Mr Gilderdale is playing a game with his class. What rule might he have chosen? How would you test your idea?

Dicey Operations

Age 11 to 14Challenge Level

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

Nice or Nasty

Age 7 to 14Challenge Level

There are nasty versions of this dice game but we'll start with the nice ones...

Venn Diagrams

Age 5 to 11Challenge Level

How will you complete these interactive Venn diagrams?

Caterpillars

Age 5 to 7Challenge Level

These caterpillars have 16 parts. What different shapes do they make if each part lies in the small squares of a 4 by 4 square?

Factor-multiple Chains

Age 7 to 11Challenge Level

Can you see how these factor-multiple chains work? Find the chain which contains the smallest possible numbers. How about the largest possible numbers?

Multiplication Square Jigsaw

Age 7 to 11Challenge Level

Can you complete this jigsaw of the multiplication square?

100 Square Jigsaw

Age 5 to 7Challenge Level

Can you complete this jigsaw of the 100 square?

Number Balance

Age 5 to 7Challenge Level

Can you hang weights in the right place to make the the number balance balanced?

Diagonal Sums

Age 7 to 14Challenge Level

In this 100 square, look at the green square which contains the numbers 2, 3, 12 and 13. What is the sum of the numbers that are diagonally opposite each other? What do you notice?

Carrying Cards

Age 7 to 11Challenge Level

These sixteen children are standing in four lines of four, one behind the other. They are each holding a card with a number on it. Can you work out the missing numbers?

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?

Robot Monsters

Age 5 to 7Challenge Level

Use these head, body and leg pieces to make Robot Monsters which are different heights.

The Tall Tower

Age 5 to 7Challenge Level

As you come down the ladders of the Tall Tower you collect useful spells. Which way should you go to collect the most spells?

Farey Sequences

Age 11 to 14Challenge Level

There are lots of ideas to explore in these sequences of ordered fractions.

Would You Rather?

Age 7 to 11Challenge Level

Would you rather: Have 10% of Â£5 or 75% of 80p? Be given 60% of 2 pizzas or 26% of 5 pizzas?

Highest and Lowest

Age 7 to 11Challenge Level

Put operations signs between the numbers 3 4 5 6 to make the highest possible number and lowest possible number.

Mathland Election

Age 11 to 14Challenge Level

A political commentator summed up an election result. Given that there were just four candidates and that the figures quoted were exact find the number of votes polled for each candidate.

Which Scripts?

Age 7 to 11Challenge Level

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

Giants

Age 16 to 18Challenge Level

Which is the bigger, 9^10 or 10^9 ? Which is the bigger, 99^100 or 100^99 ?

Birthday Cakes

Age 5 to 7Challenge Level

Jack's mum bought some candles to use on his birthday cakes and when his sister was born, she used them on her cakes too. Can you use the information to find out when Kate was born?

Missing Middles

Age 5 to 7Challenge Level

Can you work out the domino pieces which would go in the middle in each case to complete the pattern of these eight sets of three dominoes?

Buzzy Bee

Age 5 to 7Challenge Level

Buzzy Bee was building a honeycomb. She decorated the honeycomb with a pattern using numbers. Can you discover Buzzy's pattern and fill in the empty cells for her?

Interactive Balance

Age 5 to 11Challenge Level

In this simulation of a balance, you can drag numbers and parts of number sentences on to the trays. Have a play!

True or False?

Age 7 to 11Challenge Level

Without doing lots of calculations, can you decide which of these number sentences are true? How do you know?

Sweetie Box

Age 5 to 11Challenge Level

Max and Bryony both have a box of sweets. What do you know about the number of sweets they each have?

Unexpected Ordering

Age 5 to 7Challenge Level

Watch the video of Fran re-ordering these number cards. What do you notice? Try it for yourself. What happens?

Truth or Lie

Age 7 to 11Challenge Level

Take a look at the video of this trick. Can you perform it yourself? Why is this maths and not magic?

Making Pathways

Age 7 to 11Challenge Level

Can you find different ways of creating paths using these paving slabs?

Being Resourceful - Primary Number

Age 5 to 11Challenge Level

Number problems at primary level that require careful consideration.

Being Curious - Primary Number

Age 5 to 11Challenge Level

Number problems for inquiring primary learners.

Matching Numbers for Two

Age 5 to 7Challenge Level

Matching Numbers game for an adult and child. Can you remember where the cards are so you can choose two which match?

More Lower Primary Number Sense and Place Value Activities

Age 5 to 7

More activities which will help you get a better of sense of numbers and understand what we mean by place value.

Ordering

Age 5 to 11

This set of activities focuses on ordering, an important aspect of place value.

Activities on the Gattegno Chart

Age 5 to 11

In this article, Alf outlines six activities using the Gattegno chart, which help to develop understanding of place value, multiplication and division.

Dot Card Games

Age 3 to 7

These games devised by Jenni Way use dot cards which will help children see the structure of numbers 1-6 and give them confidence as they begin to add and subtract these numbers.

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?

Nice or Nasty for Two

Age 7 to 14Challenge Level

Some Games That May Be Nice or Nasty for an adult and child. Use your knowledge of place value to beat your opponent.

Who Can Be the Winner?

Age 5 to 7Challenge Level

Some children have been doing different tasks. Can you see who was the winner?

Sorting the Numbers

Age 5 to 11Challenge Level

Complete these two jigsaws then put one on top of the other. What happens when you add the 'touching' numbers? What happens when you change the position of the jigsaws?

Sort Them Out (2)

Age 7 to 11Challenge Level

Can you each work out the number on your card? What do you notice? How could you sort the cards?

Dominoes Environment

Age 5 to 11Challenge Level

These interactive dominoes can be dragged around the screen.