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.
S1 BODMAS.notebook November 03, 2016
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
Daily Practice 21.9.2016
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
S1 BODMAS.notebook November 03, 2016
Daily Practice 22.9.2016
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
S1 BODMAS.notebook November 03, 2016
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
S1 BODMAS.notebook November 03, 2016
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
S1 BODMAS.notebook November 03, 2016
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
S1 BODMAS.notebook November 03, 2016
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
Daily Practice 28.9.2016
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.
Daily Practice 29.9.2016
Q1. 90 x 6 Q2. 381 Q3. 9184 Q4. 5 320
Q5. Find 25% of 840
+ 243 - 7266
S1 BODMAS.notebook November 03, 2016
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) =
Daily Practice 30.9.2016
20 Questions Mental Maths
Today we will be completing a check-up on BODMAS.