How tall was it on Monday? How about the largest possible numbers? Alf describes how the Gattegno chart helped a class of year olds gain an awareness of place value and of the inverse relationship between multiplication and division. These articles will support primary teachers as they develop children’s understanding of number and calculation. Every day it doubled its height.
This problem is designed to help children to learn, and to use, the two and three times tables. This investigates one particular property of number by looking closely at an example of adding two odd numbers together. Number Arrays Age 5 to 11 This article for teachers describes how number arrays can be a useful reprentation for many number concepts. Use Excel to explore multiplication of fractions. Asteroid Blast Age 7 to 11 Challenge Level: Follow the Numbers Age 7 to 11 Challenge Level:
Choose four of the numbers from 1 to 9 to put in the squares so that the differences between joined squares are odd.
This feature brings together tricky tasks which have been created for the Young Mathematicians’ Award. Norrie sees two lights flash at the same time, then one of them flashes every 4th second, and the other flashes every 5th second. Help share out the biscuits the children have made.
Can you order the digits from to make a number which is divisible by 3 so when the last multipplication is removed it becomes a 2-figure number divisible by 2, and so on? Multiply Multiples 2 Age 7 to 11 Challenge Level: Can you complete this jigsaw of the multiplication square?
I’m Eight Age 5 to 11 Challenge Level: How many blocks would be needed to build an up-and-down staircase with 5 steps up and 5 steps down? We can arrange dots in a similar way to the 5 on a dice and they usually sit quite well into a rectangular shape.
Can you work out some different ways to balance this equation?
Multiplication Squares :
The upper primary tasks in this collection could each be solved by working backwards. This article looks at how images, concrete apparatus and representations nricy help students develop deeper understandings of abstract mathematical ideas.
The tasks in this collection encourage upper primary children to look deeper at multiplication and division. Ordering Cards Age 5 to 11 Challenge Nrifh 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 nrivh everyday classroom practice. Number Age 5 to 7 Here are some exciting activities where you can use numbers in lots of different ways! This article for teachers looks at how teachers can use problems from the NRICH site to help them teach division.
Investigate what happens if we create number patterns using some simple rules. Multiplication and Division Solvng. Number Arrays Age 5 to 11 This article for nrlch describes how number arrays can be a useful reprentation for many number concepts. Mrs Morgan, the class’s teacher, pinned numbers onto the backs of three children. Can you see a pattern?
The first eleven triangle numbers have been identified. Number Detective Age 5 to 11 Challenge Level: Yasmin and Zach have some bears to share. Factor Track Age 7 to 14 Challenge Level: What kind of number do you get? Use your skills of addition, subtraction, multiplication and division to blast the asteroids.
Multiplication and Division KS2
Can you make a cycle of pairs that add to make a square number using all the numbers in the box below, once and once only? You may also like Cubes How many faces can you see when you arrange these three cubes in different ways?
Are these statements relating to odd and even numbers always true, sometimes true or never true? This big box multiplies anything that goes inside it by the same number. Missing Multipliers Age 7 to 14 Challenge Level: Ordering Cards Age 5 to 11 Challenge Level: Division Rules Age 7 to 11 Challenge Level: My number is both a multiple of 5 and a multiple of 6.