S1 (1.1) BODMAS.notebook November 29, 2017

Daily Practice 31.8.2017Please complete these in the back of your classwork jotters

Q1. 299.91 ‐ 23.04

Q2. 75 x 90

Q3. Write 210009 in words

Q4. Write a half as a decimal

Q5. Round 87.1 to the nearest unit

Today we will be learning about order of operations

I bought a ruler for 10p and 3 pens at 25p each. How much did I spend?

18p

18p

I bought 4 pens at 18p each. How much change would I get from £1?

18p18p

a) 3 + 4 x 2 = 11 not 14b) 10 - 2 x 3 = 4 not 24c) 20 - 8 ÷ 2 = 16 not 6d) 5 x 8 - 4 = 36 not 20e) 12 ÷ 4 - 2 = 1 not 6

Order of Operations Order of Operations What order do we use operations?

Multiply

Add

Subtract

Divide

S1 (1.1) BODMAS.notebook November 29, 2017

Order of Operations

Given a sum that has multiplying or dividing and adding or subtracting in it. You must always multiply or divide first, then add or subtract.

BODMAS

Examples:

1) 3 + 2 x 6 2) 10 ÷ 2 + 4 3) 15 + 3 - 7 x 3

Daily Practice 4.9.2017Q1. Round 18.9 to the nearest unit

Q2. 3 + 3 x 9

Q3. 45.8 - 2.29

Q4. 1635 x 80

Q5. 350 ÷ 700

Today we will be continuing to learn about order of operations.

QUIZ

True or False

S1 (1.1) BODMAS.notebook November 29, 2017

Qu1.

3 + 8 x 2 = 19

Qu2.

10 + 8 ÷ 2 = 9

Qu3.

16 ÷ 4 - 2 = 8

Qu4.

15 + 8 - 2 = 21

Qu5.

30 ÷ 5 x 2 = 12

Qu6.

30 - 5 x 2 = 20

S1 (1.1) BODMAS.notebook November 29, 2017

Qu7.

16 + 18 ÷ 2 = 17

Qu8.

4 x 3 + 4 x 2 = 20

5) (5 + 4) ÷ 3

6) 5 + (2 x 6)

7) (10 - 4) x 5

8) (3 - 1) x (24 ÷ 6)

1) 2 + (4 + 3)

2) 4 x (3 + 2)

3) 25 - (2 x 6)

4) (7 + 1) - (4 ÷ 2)

Order of Operations Order of Operations

Q1. (2 x 3) - (4 x 1)

Q2. (4 + 5) x 15

Q3. (8 + 4) - 3 x 3

Q4. (9 + 15) - 4

Q5. (8 x 2) - 14

Q6. 12 ÷ 4 + 7

Q7. (18 + 3) x 2

Q8. (18 - 4) + 2 x 7

Q9. 9 + (15 ÷ 3)

Q10. (8 x 2 x 4) - 14

Daily Practice 5.9.2017

20 Questions Mental MathsToday we will be learning about the 'O' in BODMAS.

S1 (1.1) BODMAS.notebook November 29, 2017

Order of Operations

First Brackets

Second Of (as in half of ,or third of , 10% of )

Third Divide and Multiply

Fourth Add and also Subtract

Examples:22 + 15 x 3 =

6 + ½ of 8 =

(3 - 1 ) x 2 =

Order of Operations

53 + 9 ÷ 3 =

8 ÷ 2 + 12- 4 =

3 + (2 + 4)2