How many more miles must the car travel before the numbers on the milometer and the trip meter contain the same digits in the same order? There are five counters; perhaps seen as sub-groups of three and two, either by looking at the clusters at either end of the frame, or by looking at the number in the top and bottom rows. Did you get a multiple of 11? In this twist on the well-known Countdown numbers game, use your knowledge of Powers and Roots to make a target. This multiplication uses each of the digits 0 – 9 once and once only. This square jigsaw is written in code.

Place value ‘Ten’ is of course the building block of our base 10 numeration system. In the English language we do have something of a problem with our teen numbers which can cause difficulties for our learners in that the number name reverses the order of the digits when written: Once again a similar approach with Cuisenaire rods, Numicon or Hungarian number pictures would be equally appropriate. Song Book Age 7 to 11 Challenge Level: Investigate which numbers make these lights come on.

The Number Jumbler can always work out your chosen symbol. A Story about Absolutely Nothing Age 7 to 18 This article for the young and old talks about the origins of our number system and the important role zero has to play in it.

Place value ‘Ten’ is of course the building block of our base 10 numeration system. Place Eolving and Powers.

## Place Value KS2

These spinners will give you the tens and unit digits of a number. Indeed, there is no reason why children should not explore larger numbers while working in depth on ‘ten-ness’. One of Thirty-six Age 5 to 7 Challenge Level: What do you notice? What can’t you make?

Subtraction Surprise Age 7 to 14 Challenge Level: Two-digit Targets Age 5 to 7 Challenge Level: How many more miles must the car travel before the numbers on the milometer and the trip meter contain the same digits in the same order? She stopped for a rest after writing seventeen digits.

# Place Value, Integers, Ordering & Rounding :

Have a go at balancing this equation. These short problems can be used to test your students’ understanding of place value. Can you problwm out which is which? Can you replace the letters with numbers?

I Do and I Understand Age 5 to 7 Marion Bond recommends that children should be allowed plwce use ‘apparatus’, so that they can physically handle the numbers involved in their calculations, for longer, or across probblem wider ability band. Once this type of thinking is established, the ten-frame is no longer needed.

Magic Vs Age 7 to 11 Challenge Level: Two and Two Age 11 to 14 Challenge Level: What do the digits in the number fifteen add up to? There are six numbers written in five different scripts.

Can you figure out what they were? There are six numbers written in five different scripts.

Alien Counting Age 7 to 11 Challenge Level: What is the minimum number of small cards that is needed? To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice. A sense of ten Ten-frames are two-by-five rectangular frames into which counters are placed to illustrate numbers less than or equal to ten, and are therefore very useful devices for developing number sense within the context of ten.

Can you make sense of them?

Number problems at primary level that require careful consideration. This square jigsaw is written in code. What two-digit numbers can you make with these two dice? What happens with different starting numbers? All 5 to 11 7 to 14 11 to 16 14 to 18 Challenge level: Can you make sense of them? Have a go at balancing this peoblem.