Subtraction
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Items in this lesson
Slide 1 - Slide
Slide 2 - Slide
Slide 3 - Slide
Which is the correct symbol for subtraction?
A
B
C
D
Slide 4 - Quiz
When you are subtracting the number will get...
A
Bigger
B
Smaller
Slide 5 - Quiz
When in life might you need to subtract?
Slide 6 - Mind map
Which of the following words in a quesiton means that you will need to subtract.
A
Altogether
B
Total
C
Difference
D
Sum of
Slide 7 - Quiz
Subtraction can be done in any order
True
False
Slide 8 - Poll
On a number square when subtracting 1's which direction do you go?
A
Up
B
Down
C
Left
D
Right
Slide 9 - Quiz
When subtracting 10's on a number square which direction do you move?
A
up
B
down
C
right
D
left
Slide 10 - Quiz
Which of the following key words/phrases mean you need to subtract?
A
How many left?
B
What is the difference
C
How many fewer?
D
All of these
Slide 11 - Quiz
A
36
B
16
C
20
D
6
Slide 12 - Quiz
18 - 10 =
A
10
B
8
C
6
D
2
Slide 13 - Quiz
39 - 12 =
A
29
B
27
C
24
D
22
Slide 14 - Quiz
76 - 14 =
A
86
B
56
C
62
D
14
Slide 15 - Quiz
Which is the correct answer for this sum
48 - 20 =
48 - 20 =
12
28
47
81
38
Slide 16 - Poll
Which is the correct sum if the answer is 46
54 - 10 =
86 - 27 =
96 - 50 =
34 - 12 =
99 - 80 =
Slide 17 - Poll
When using column method which column do you always start with when subtracting?
A
Thousands
B
Hundreds
C
Tens
D
Ones
Slide 18 - Quiz
Match the sum to the answer
34
68
73
86
52
44
48 - 14 =
99 - 13 =
94 - 50 =
100 - 32
76 - 24 =
85 - 12 =
