Parenthesis

Solve the expression: 4 x (8 - 2) =

• 20

• 23

• 24

• 13

What are parenthesis.

• Brackets

• Refers to the symbol used for grouping expressions

• They show us what part of the equation needs to be done first

Is this washer correct: 5 x ( 4 -2) + 10 = 20

• Yes

• No

Why do we need to add brackets to an equation?

• You just need to for every BODMAS equation

• To show us what part of the equation needs to be done first

• You only use brackets for multiplication and addition equations

What does the ‘O’ in BODMAS stand for?

• Operation

• Order

• Object

• Octagon

Solve this expression: 7 x (6 + 3 + 2) =

• 77

• 10

• 67

• 60

What does BODMAS stand for?

• Base, order, multiplication, addition and subtraction

• Bracket, order, money, addition and subtraction

• Bracket, object, multiplication, angle and subtraction

• Bracket, order, division, multiplication, addition and subtraction

Solve the expression: 5 x (7-3) + 12 =

• 22

• 10

• 32

• 20

Solve this expression: ( 8 + 4) x 3 + 7 =

• 28

• 43

• 30

• 12

Does 2 - 3 = 1

• Yes

• No