On the planet Vuv there are two sorts of creatures. Funny Factorisation Age 11 to 14 Challenge Level: These lower primary tasks could all be tackled using a trial and improvement approach. Look at different ways of dividing things. Yasmin and Zach have some bears to share.
The numbers 1 – 9 may be used once and once only. Keep adding as few pebbles as necessary to double the area. Multiplication Squares Age 7 to 11 Challenge Level: At the beginning of May Tom put his tomato plant outside. Investigate the sum of the numbers on the top and bottom faces of a line of three dice. Can you see how these factor-multiple chains work?
Who said that adding, subtracting, multiplying and dividing couldn’t be fun? Age 7 to 11 Challenge Level: Investigate the different numbers of people and rats there could have been if you know how many legs there are altogether! Can you find the factors? Can you find any two-digit numbers that satisfy all of these statements? This article explores the use of the array to support children’s thinking around multiplication and division. What do you think is happening to the numbers?
Can you reconstruct the original multiplication? Will you be the first to have four numbers in a row on the number line? Which pairs of cogs let the coloured tooth touch every tooth on the other cog?
Can you complete this jigsaw of the multiplication square? From Objects and Images to Mathematical Ideas Age 5 to 18 This article looks at how images, concrete apparatus and representations can help students develop deeper understandings of abstract mathematical ideas.
How many altogether in this 3 by 5?
Pebbles Age 7 to 11 Challenge Level: Always, Sometimes or Never? Think Plan Communicate Mathematically Age 5 to This article for teachers looks at how teachers can use problems from the NRICH site to help them teach division. How about the shaded numbers in the other squares?
Maths Search :
Can you make sense of them? In the multiplication calculation, some of the digits have been replaced by letters and others by asterisks. Using some or all of the operations of addition, subtraction, prob,em and division and using the digits 3, 3, 8 and 8 each once and only once make an expression equal to Have a go at balancing this equation.
multiplicaiton Use 4 four times with simple operations so that you get the answer Can you predict when you’ll be clapping and when you’ll be clicking if you start this rhythm? Working Backwards at KS2 Age 7 to 11 The upper primary tasks in this collection could each be solved by working backwards.
259 Matches for multiplication
What do you think? We can arrange dots in a similar way to the 5 on a dice and they usually sit quite well into a rectangular shape. Ranging from kindergarten mathematics to the fringe of research this informal article paints the big picture of number in a non technical way suitable for primary teachers and older students.
Multiplication and Division These tasks will help you to think about multiplication and division.
Multiplication Squares Age 7 to 11 Challenge Level: This article explores the use of the array to support children’s thinking around solvinh and division. Four Go Age 7 to 11 Challenge Level: Some of these games are good for practising your mental calculation skills, and some are good for your reasoning skills. Can you fill in this table square?
Register for our mailing list. To support this aim, members of nrcih 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. Which is quicker, counting up to 30 in ones or counting up to in tens?