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Transcript
MULTIPLICATION
YR
Count repeated groups of
the same size (1s / 2s /
5s / 10s)
Rapid Recall
Recording
AGE-RELATED
EXPECTATIONS
Practical / recorded
using ICT (eg digital
photos / pictures on
IWB)
Pictures / Objects
Symbols
3 plates, 2 cakes on each plate:
3 plates, 2 cakes on each plate:
Counting on in 1s and
2s
Mental calculation
With Jottings
ref Overview of learning 5
Practical / recorded
using ICT
Y1
Pictures / Symbols
Number tracks / Number line
(modelled using bead strings)
There are three sweets in one
bag.
How many sweets are there in
five bags?
Solve (practical)
problems that involve
combining groups of 2, 5
or 10
2 x 3 or 3 x 2
[two, three times] or [three groups of two]
0
Multiplication as repeated
addition and arrays
Pictures / Symbols
Repeated addition
There are four apples in
each box.
How many apples in six
boxes
5 x 3 or 3 x 5
Y2
0
2
4
2
3
6
0
9
5
12
4
5 x 3 or 3 x 5
15
10
15
[ref Multiplication facts ITP]
Expanded grid method
Compact grid method
13 x 4
13 x 4
13 x 4
TU x O
(eg 13 x 4)
40
Y4
TO x O
(eg 16 x 8; 43 x 6)
Compact grid method
43 x 6
(estimate: 40 x 6 = 240)
43 x 6
40 x 6 = 240
3 x 6 = 18
Expanded vertical
43
x 6
X
40
3
6
240
18
18
240
( 3 x 6)
(40 x 6)
258
Estimate first
Grid method
Expanded vertical
Grid method
Expanded vertical
Compact vertical
Refine and use efficient
methods:
HTO x O
TO x TO
O.t x O
Use efficient methods:
2327 x 8
Y6
Integer x O (eg 2307 x 8)
Decimal x O (eg 31.6 x 7)
TO x TO
HTO x TO
13 x 4 = 52
(estimate: 2300 x 10 = 23 000)
x
2327
8
56
160
2400
16000
18616
Compact vertical
43
x 6
[ref Multiplication grid ITP]
Y5
12
Partitioning
(possible use of
number line to
record steps)
10 x 4 = 40
3 x 4 = 12
[ref Arrays spreadsheet]
Partitioning
2 x table
10 x table
Doubles up to 20 and
multiples of 5
5 x table
Count in 3s
2 x, 5 x and 10 x
tables
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
Review 2x, 5x and
10x
4x table
Double two digit
numbers
8 x table
3 x table
6 x table or review
others
Write and calculate mathematical
statements for multiplication and
division using the multiplication
tables
that they know, including for twodigit numbers times one-digit
numbers, using mental methods
4x, 8x tables
10 times bigger
3x, 6x and 12x tables
Use place value, known and
derived facts to multiply and divide
mentally, including: multiplying by 0
and 1;
dividing by 1; multiplying together
three numbers
Recognise and use factor pairs and
commutativity in mental
calculations
Also 14 x 2 as (10 x 2 and 4 x 2)
Y3
Record, support and
explain:
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
6
Arrays
Arrays
10 x 4 = 40
3 x 4 = 12
Count in 2s
Count in 10s
Doubles up to 10
Count in 5s
Double multiples of
10
Count in 2s, 5s and
10s
Compact vertical
258
1
Double larger
numbers and
decimals
3x, 9x tables
11x, 7 x tables
6x, 12 x tables
4x, 8x tables
100, 1000 times bigger
3x, 6x and 12x tables
10, 100, 1000 times
smaller
Double larger numbers
and decimals
3x, 9x tables
11x , 7 x tables
Partition to multiply
mentally
6x, 12 x tables
Multiply and divide numbers mentally
drawing upon known facts Multiply and
divide whole numbers and
those involving decimals by 10, 100 and
1000
Identify multiples and factors, including
finding all factor pairs of a number, and
common factors of two numbers establish
whether a number up to 100 is prime
Multiplication facts up to
12 x 12
Partition to multiply
mentally
Double larger numbers
and decimals
Multiplication facts up to
12 x 12
Partition to multiply mental
Perform mental calculations,
including with mixed operations and
large numbers
Double larger numbers
and decimals