Comparing and ordering numbers
problem
Euromaths
How many ways can you write the word EUROMATHS by starting at the
top left hand corner and taking the next letter by stepping one
step down or one step to the right in a 5x5 array?
problem
Sort them out (2)
Can you each work out the number on your card? What do you notice?
How could you sort the cards?
problem
Rod fractions
Pick two rods of different colours. Given an unlimited supply of rods of each of the two colours, how can we work out what fraction the shorter rod is of the longer one?
problem
Sorting the numbers
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?
interactivity
Interactive balance
In this simulation of a balance, you can drag numbers and parts of number sentences on to the trays. Have a play!
list
Being resourceful - primary number
Number problems at primary level that require careful consideration.
list
More lower primary number sense and place value activities
More activities which will help you get a better of sense of numbers and understand what we mean by place value.