Unit 1 Pupil Book 5-7 Math Worksheet
ADVERTISEMENT
1
2
3
4
5
6
7
8
9
10. . Using negative numbers
Using negative numbers
§ §
Add, subtract, multiply and divide positive and negative
integers
§
§
Use the sign change key to input negative numbers into a
calculator
§
§
You can understand adding or subtracting numbers by
imagining them on a number line.
Level 5
2
5
3
1
3
4
Did you know?
Did you know?
4
3
2
1
0
1
2
3
4
5
The earliest known
§ §
If you add a negative number, the result is smaller. So, adding a negative
written use of negative
number is the same as subtracting a positive number.
Level 5
numbers is in an Indian
§ §
If you subtract a negative number, the result is bigger. So, subtracting a
manuscript from the
negative number is the same as adding a positive number.
Level 5
seventh century CE
§ §
You can use the sign change key,
or ( ) , to enter negative numbers
– but, confusingly, it
into your calculator.
Level 5
uses ‘ ’ as a symbol to
§
§
When you multiply or divide a positive number by a negative number, the
mean negative!
answer is negative.
Level 6
§ §
When you multiply or divide a negative number by a positive number, the
answer is negative.
Level 6
§ §
When you multiply or divide a negative number by a negative number, the
answer is positive.
Level 6
Level 5
I can add and
Work out
subtract positive
a
2
5
b
8
4
c
8
4
d
5
7
integers to/from
negative integers
e
5
7
f
1
1
g
1
1
h
3
10
2
I can use the sign
Use the sign change key on your calculator to help with these calculations.
change key
to enter negative
a
303
61
b
48
211
c
13
5
d
481.1
28.3
numbers into a
e
Hannah’s bank statement shows her balance as
£585 at the end of
calculator
January. In February, she makes a deposit of £1200 and withdraws £725.
What is her bank balance at the end of February?
I can multiply
Work out
and divide a
negative number by a
2
5
= –10
positive number
a
2
5
b
3
4
c
12
3
d
12
3
e
15
5
f
12
6
g
24
3
h
3
12
4
add
divide
integer
multiply
negative
4
Getting things in order
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education