Mental Maths Learning
Objectives
I will be able to use a
number of different
mental strategies to
add and subtract.
Adding on
22 + 17 =
22
39
32
10
39
5
Adding on
52 + 11 =
52
63
62
10
63
1
Adding on
43 + 15 =
43
58
53
10
58
5
Now you try!
Subtracting strategy
43 - 15 =
43
58
33
10
28
5
Subtracting strategy
33 - 23 =
10
33
13
10
10
10
3
Subtracting
73 - 17 =
73
56
63
10
56
7
You can now do it!
Mental Maths Learning
Objectives
I am now able to use a
number of different
mental strategies to
add and subtract.
Estimating
Main Learning Objective
I will be able to
estimate objects and
numbers accurately.
How many lions here?
10
Approximately what number is
the arrow pointing to?
0
10
Approximately where are these
numbers?
0
10
While working
Remember today’s
Main Learning Objective
I will be able to
estimate objects and
numbers accurately.
Plenary
• Today’s two learning objectives were:
I will be able to use a number of
different mental strategies to add
and subtract.
I will be able to estimate objects
and numbers accurately.