Australasia 1 – Information for parents
I can find 10/100 more and 10/100 less than any
number
Count small objects that represent 100 around the
home. Find the total, then ask your child to add
100 more or take 100 away.
Questions to ask:
What does more mean? What does less or fewer
mean? What we you notice about the tens and
ones when we add 100?
How could we record that as a calculation?
(e.g. 140 + 100 = 240)
Encourage your child to answer if full sentences
e.g. 100 more than 23 is 230.
100 less 
 100
more
430
140
750
Australasia 1 – Information for parents
I can find 10/100 more and 10/100 less than any
number
810