s1 bodmas.notebook november 03, 2016 - miss...

S1 BODMAS.notebook November 03, 2016

Daily Practice 16.9.16Please complete these in the back of your classwork jotters

Q1. 291 ‐ 234

Q2. 75 x 9

Q3. Write 2109 in words

Q4. Write a half as a decimal

Q5. Round 871 to the nearest 100

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?

In what order did you carry out your calculation...?

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

Q1. 7626 + 1924

Q2. 56 x 8

Q3. 5 + 6 - 3

Q4. Round 78.2 to the nearest whole number

Q5. 250 ÷ 5

Daily Practice 20.9.2016

Please complete in the back of your jotters.

Do sums for Q1, 2, 5.Today we will be continuing to learn about order of operations.

Volunteers required for P7 Open Evening Wednesday 5th October.


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


Q1. Round 843 to the nearest ten

Q2. What is the value of the 7 in 3172.55?

Q3. 45 x 8

Q4. 560 ÷ 7

Q5. 27 x 30

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

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



15 Questions Mental Maths

Write the numbers 1 - 15 in the back of your jotters and just write the answers when I call out the questions.

1) 4 + 6 x 3 2) 5 - 8 ÷ 4 11) 50 x 3 - 26

3) 7 x 3 + 7 4) 3 + 6 + 3 x 2 12) 124 - 4 x 10

5) 18 ÷ 6 + 3 6) 10 x 7 - 6 13) 5 - 3 + 2 x 7

7) 16 ÷ 2 + 3 + 5 8) 3 x 7 - 3 14) 2 x 5 - 9 + 32

9) 15 + 49 ÷ 7 10) 6 + 5 x 4 15) 4 + 48 x 7

Order of Operations What if you just have...

Multiply

DivideThen you can just work left to right

Example:3 x 4 ÷ 2

Order of Operations

Then you can just work left to right

Example:10 - 4 + 2

What if you just have...

Add

Subtract

QUIZ

True or False

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

Qu7.

16 + 18 ÷ 2 = 17


Qu8.

4 x 3 + 4 x 2 = 20Today we will be continuing to learn about BODMAS.

A, B, C or D...?

Qu1.6

A. 2 + 3 x 4 B. 10 - 1 x 4C. 4 - 2 x 3D. 1 + 2 x 2

Qu2.10

A. 2 + 3 x 2 B. 10 - 5 x 2C. 4 ÷ 2 x 6D. 10 ÷ 2 + 5

Qu3.24

A. 12 ÷ 2 x 4 B. 20 - 8 x 2C. 40 ÷ 4 x 2D. 18 - 12 x 4


Qu4.30

A. 12 - 2 + 24 B. 4 x 8 ÷ 2C. 2 + 4 x 5D. 38 - 2 x 4

Daily Practice 23.9.2016Q1. Round 18.9 to the nearest unit

Q2. 3 + 3 x 9

Q3. 458 - 229

Q4. 1635 x 8

Q5. 350 ÷ 700

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

(2 + 3 ) x 5 = 2 + ( 3 x 5 ) =

What does the bracket mean?

Is the bracket important ?

Should you get the same answer for both calculations?

How do you do these calculations on your calculator?

Order of Operations

Examples:

1. 15 ÷ (3 + 2) 2. 8 x (2 + 3)

Order of Operations - BracketsDaily Practice 27.9.2016

Q1. 48 + 15 + 22

Q2. 345 x 6

Q3. £1.50 - (£0.28 + £1.05)

Q4. 153 ÷ 3 Q5. 50% of 841


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

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


Complete BODMAS sheet from yesterday.

What Miss Deely expects of me in Maths class:

• To show respect for everyone and their property.

• Don't shout out.

• Be polite & remember your manners.

• Don't swing on your chair.

• Don't wander around without permission.

• Speak using an appropriate tone and language.

• Try your best with your work.

• Lay your work out neatly.


Q1. 90 x 6 Q2. 381 Q3. 9184 Q4. 5 320

Q5. Find 25% of 840

+ 243 - 7266


Today we will be learning about the 'O' in BODMAS.

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 =

2 x ¾ of 12 =

8 ÷ ( 12- 4) =


20 Questions Mental Maths

Today we will be completing a check-up on BODMAS.

s1 bodmas.notebook november 03, 2016 - miss...

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