The new maths curriculum Y1&Y2

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Transcript The new maths curriculum Y1&Y2

The new maths curriculum
Years 1 and 2
Addition in Year 1
•Focussing on what ‘equals’ means
2=2
=
3=
Represent and use number bonds
to 20
• Add one digit and two digit numbers –
use objects, number lines, counting on
• Solve problems using concrete objects and
representations
• Identify ‘one more’
How many different ways
can you make 5?
My plant measures 16cm.
Tomorrow it will be 5cm taller.
How tall will it be tomorrow?
Show me how you know your
answer is correct.
Addition in Year 2
• Add numbers using objects, pictorial
representations and mentally
2 digit number and ones
2 digit number and tens
2 two digit numbers
32 + 22=
Partitioning
24 + 13 =
20 + 10 = 30
4+3=7
30 + 7 =
Introduction to columns
Re-partitioning numbers
I know that 7 + 3 = 10. So
27 + 3 makes 30. To check
this, I can partition 27 into
20 and 7 .
20+7+ 3= 20+10= 30
• Recall and use addition and subtraction
facts to 20 and derive and use related facts
to 100
Commutative
• Demonstrate the
12 + 30 = 30 + 12
commutative law of
addition
? + 25 = 25 + 41
+
=
+
Subtraction Year 1
• Subtract one digit and two digit numbers
to 20
• Represent and use number bonds to 20
• Solve problems using objects and pictorial
representations
In my head I have two odd
numbers with a difference
of 2. What could they be?
Convince me.
What is the difference
between 4 and 6?
6-4=
4+2=
6–2=
2+4=
6-?=4
?+4=6
6–?=2
?+2=6
Subtraction Year 2
• Add and subtract numbers using concrete
objects, pictorial representations and
mentally
• Use jottings to support informal methods
• Written recordings
Number lines
Is it quicker to go
backwards or forwards?
Informal methods to support
written calculations
35-22
Hundred Square
54—32 = 22
Moving to more formal written
methods
37 – 12 =
37 – 10 = 27
27 – 2 = 25
Multiplication Y1
• Solve one‐step problems involving
multiplication and division, by calculating
the answer using concrete objects,
pictorial representations and arrays with
the support of the teacher.
Concrete and pictorial
representations
Four groups of 2p
2p + 2p + 2p + 2p
• Count in multiples of twos, fives and tens
with equipment, songs & rhythms, and
including by rote.
• Make links between different times tables
I know that the
multiples of
2/5/10 are
always/never ….
Multiplication Year 2
Mental calculations
• Recall and use multiplication and division
facts for the 2, 5 and 10 multiplication
tables,
• Recognise odd and even numbers
• Show that multiplication of two numbers
can be done in any order (commutative)
• Apply doubling of numbers up to ten to
doubling larger numbers
Written calculations
• Calculate mathematical statements for
multiplication and division within the
multiplication tables and write them using
the multiplication (×), division (÷) and
equals (=) signs
What arrays can
you make with 20
counters?
Concrete and
pictorial
representations
Division Year 1
• Solve one‐step problems involving
multiplication and division, by
calculating the answer using concrete
objects, pictorial representations and
arrays with the support of the teacher.
• (Pupils) make connections between
arrays, number patterns, and counting in
twos, fives and tens.
Sharing and grouping
How can we share 6
cakes between three
people?
Relating
multiplication
to division
How many twos
are there in 8?
Division Year 2
Mental calculation
• Recall and use multiplication and division
facts for the 2, 5 and 10 multiplication tables,
including recognising odd and even numbers
• Calculate mathematical statements for
multiplication and division within the
multiplication tables and write them using
the multiplication (×), division (÷) and equals
(=) signs
Written Calculation
• Show that multiplication of two numbers can
be done in any order (commutative) and
division of one number by another cannot
• Solve problems involving multiplication and
division, using materials, arrays, repeated
addition, mental methods, and multiplication
and division facts, including problems in
contexts.
“If 40 ÷ 10 = 4 and 30 ÷ 10 = 3,
what do you think 70 ÷ 10 would
be? Why?”
“How many
groups
of 5 minutes have
passed when the
minute hand
reaches twenty
past?”
2 x 7 = 14
14 ÷ 7 = 2
7 x 2 = 14
14 ÷ 2 = 7