More Playing with Number Lower Primary
2, 4, 6, 8
Using the cards 2, 4, 6, 8, +, - and =, what number statements can you make?
Fair Exchange
In your bank, you have three types of coins. The number of spots shows how much they are worth. Can you choose coins to exchange with the groups given to make the same total?
Butterfly Flowers
Can you find two butterflies to go on each flower so that the numbers on each pair of butterflies adds to the number on their flower?
Ladybirds in the Garden
In Sam and Jill's garden there are two sorts of ladybirds with 7 spots or 4 spots. What numbers of total spots can you make?
Find the Difference
Place the numbers 1 to 6 in the circles so that each number is the difference between the two numbers just below it.
Sort Them Out (1)
Can you each work out the number on your card? What do you notice? How could you sort the cards?
Pairs of Numbers
If you have ten counters numbered 1 to 10, how many can you put into pairs that add to 10? Which ones do you have to leave out? Why?
Early Number Sense
This article explores the basic foundations of number sense and outlines relevant research in this area.
Place Value: the Ten-ness of Ten
This article develops the idea of 'ten-ness' as an important element of place value.