To Be Numerate ……
St Joseph’s School
Parent Information Evening

Outline
O Problem Solving Activities
O How is Mathematics taught now?
O Helpful, fun and practical ideas to support
your child’s learning in mathematics.

Time to Think!!!

Number Strategies Subtraction
There are 53 people on
the bus. 29 people get
off.
How many people are
now on the bus?

Solution 53 – 29 =
OHow did you work it out?
OWhat happened in your head?
Share your different strategies with the
people around you

Make sense of these strategies
“I use tidy
numbers:
53 – 30 = 23 plus
1 = 24
I use balancing.
53 – 29 =
54 – 30 = 24
“I think of
53
-29
3 – 9 I can’t do so
I borrow a ten. 13
– 9 = 4.
4 tens – 2 tens = 2.
It’s 24
“I use an open number line!”
53 – 29 =
29 53
+20
+
2
0
30
+3+1
50
+1 +1
I use place value
“53 – 20 = 33. Minus another
9. Split the 9 into 3 and 6.
33- 3 = 30 – 6 = 24

Number Strategies Addition
OThere are 47 children in the hall. 28
more children arrive. How many
are in the school hall now?

Solution 47 + 28 =
OHow did you work it out?
OWhat happened in your head?
Share your different strategies with
the people around you.
OCan you think of any other ways to
solve the problem?

Make sense of these Strategies
“Four rows of ten is 40 and two
rows of ten is 20, so 40 + 20 =
60 with 7 and 8 left !
double 7 = 14 plus 1 =15
so there are 75 children”
“I use tidy
numbers:
50 + 28 = 78
78 - 3 = 75”.
“I know that 50 plus 30 is 80
and 3 plus 2 is 5,
so 80 - 5 is 75 “
“I think of
47
+28
7 plus 8 is 15, so
that’s 5 and carry
one. 4 plus 2 is 6
plus one more ten
is 7. so the
answer is 75”
“I use an open number line!”
47 75
+3
+20 +5
47 + 28 =

Number Strategies Multiplication
There are 4 packets of biscuits with
24 cookies in each pack.
How many cookies are there
altogether?

Solution 4 x 24 =
O How did you work it out?
O What happened in your head?
Share your different strategies with the
people around you.
O How else could this problem be solved?

Make sense of these Strategies.
“I used place
value 4 x 20 = 80.
And 4 x 4 = 16.
80 + 16 = 96
I used doubling and halving.
Double 4 = 8, half 24 = 12.
8 x 12 = 96
“I think of
24
X4
4 x 4 = 16. Put
down the 6 and
carry the 1.
4 x 2 = 80 +
another ten = 90
90+6 = 96
4 x 24 =
“I use tidy numbers:
I know 4 x 25 = 100.
100-(1x4) = 96.
“I know 24 + 24 = 48.
48 + 48 = 96

Goals
O developing multiple flexible thinking strategies
O mental and oral before written standard vertical
forms
O make decisions about the smartest strategy to
use on any given problem.
O challenge children to achieve and develop a
positive attitude towards learning mathematics.
O enabling students to have a really good
understanding of what they are learning and
why

Developmental
Stage Progression
The New Zealand Number Framework

The NZ Numeracy Framework
O Each Numeracy Stage highlights key knowledge
and strategy that a child should know.
O Strong knowledge is essential for students to
broaden their strategies across a full range of
numbers.
Strategy Knowledge
Creates new knowledge through use
Provides the foundation for strategies

Knowledge and Strategy
OKnowledge – Number
Identification, Number sequence and
order, Grouping and place value, basic
facts
OStrategy – Addition and Subtraction,
Multiplication and Division, Fraction and
Proportions

Numeracy Stages
O Emergent
O One to One Counting
O Count from one on Materials
O Count from one by Imaging
O Advanced Counting
O Early Additive Part-Whole
O Advanced Additive Part-Whole
O Advanced Multiplicative
O Advanced Proportional
Counting
Strategies
Non Counting
Strategies

How is maths taught
differently now?

Teaching
O Model and support children
understanding using a
researched teaching model.
Using materials
Thinking about what would
happen with the materials
Working only on numbers
O Teach to achieve next learning
steps.
Working only with
numbers
Imaging
Materials
Using
Materials

How can parents help?
O Asking questions … “How did you know that?”
“Tell me how you worked that out.”
O Tell your children when and how you use
maths – talk about maths.
O Developing a child’s knowledge is a key to
their success and development in
mathematics.
O Allow your child to make mistakes and ‘take
risks’.

Home Equipment kit
ODice (six-sided, 10-sided)
OPlaying cards
ODominoes (double 6’s, double 9’s)
OCounters
ODigit cards

Dice games
OTimes tables
OZilch
OClose to 100
ODouble, Halve or Stay
OHigh Dice
OThree Score
OThree Dice Target
OYahtzee

Card games
OCompute and Capture
OPyramid
OTable snap
OConcentration (Memory)
OCard War
OThirty-One

Domino games
OOriginal
OClose to 100, (Close to 50, 10, 5, 1)
OBiggest number
OTables

Support Material
O All available on our school website
O Handout - ‘Ideas for Assisting Parents’
O NZ maths link
O Tonight’s games and activities