1. Order of Operations (BIDMAS): Inserting brackets
Silent
Teacher
Intelligent Practice
Narration
Your Turn
Insert brackets to make these calculations true:
8 + 4 x 5 – 2 = 20
8 + 4 x 5 – 2 = 58
8 + 4 x 5 – 2 = 26
Practice

2. Insert brackets to make this true 8 + 4 x 5 – 2 = 20
Worked Example
Your Turn
Insert brackets to make this true
8 + 4 x 5 – 2 = 20
8 + 4 x 5 – 2 = 58
8 + 4 x 5 – 2 = 26
8 + 4 x 5 – 2 = 36
Insert brackets to make this true
7 + 3 x 5 – 1 = 49
7 + 3 x 5 – 1 = 40
7 + 3 x 5 – 1 = 19
7 + 3 x 5 – 1 = 21

3. Insert brackets to make these true 8 + 4 x (5 – 2) = 20
Worked Example
Your Turn
Insert brackets to make these true
8 + 4 x (5 – 2) = 20
(8 + 4) x 5 – 2 = 58
8 + (4 x 5) – 2 = 26
(8 + 4) x (5 – 2) = 36
Insert brackets to make these true
(7 + 3) x 5 – 1 = 49
(7 + 3) x (5 – 1) = 40
7 + 3 x (5 – 1) = 19
7 + (3 x 5) – 1 = 21

4. Insert brackets here to make the calculation true:
5+4 ×2=13
5+4 ×3=22
5+4 ×3=27
5+4 × 3 2 =81
5+4 × 3 2 =41
5+4 × 3 2 =149
5+4 × 3 2 −2=147
5+4 × 3 2 −2=63
5− ×2= 19
5− ×2=20

5. Insert brackets here to make the calculation true:
5+(4 ×2)=13
5+(4 ×3)=17
(5+4) ×3=27
(5+4) × 3 2 =81
5+(4 × 3 2 )=41
5+(4 × 3) 2 =149
5+(4 × 3 2 )−2=147
(5+4) × (3 2 −2) =63
5−4+( 3 2 ×2)= 19
(5− )×2=20