G7 Maths

Negativ Multiplication

100

-8x-7

56

200

-12x-3

36

300

-15x-3

45

400

-24x-12

288

500

-12x56

-672

Algebraic Expressions

100

Find when n is 2:

(1+67)n

136

200

Find when x is 15:

(2x)/2

15

300

Find when x is 5:

(2x)²

100

400

Find when z is 24:

(z²x2)

1152

500

Find when n is 11:

(2⁶x50)n

14300

NegativAddition

100

-12+8

-4

200

-12+134

122

300

-40+53

13

400

-273+475

202

500

-16930+-2849

-19779

NegativeSubtraction

100

-56-40

-96

200

-34-50

-84

300

-30-17

-47

400

-284-578

-862

500

-1964+-5793

-7757