BEDMAS Question

(60-30)+8x2/4
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30+8x2/4
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30+8x2
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30+16
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/46/
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Divisiblility Rules for 4

4=2x2
All numbers that are divisible by 2 twice
Eg. 16/2=8
8/2=4
then 16 is divisible by 4

BEDMAS question

(6+2)/2+6/3-2x2

8/2+6/3-2x2

4+6/3-2x2

4+2-2x2
4+2-4
6-4
[2]

Textbook page #76

#1. Calculate 4.85 + 0.5 -3.2.
A 215 B 21.5 C 2.15 D 0.215

#2. Calculate 98.2 - 4.8.
A 93.4 B 103 C 9.34 D 934

#3 Estimate 64.12 x 18.1 by front-end estimation. What is the best estimate?
A 600 B 650 C 1200 D 1400

#4 Calculate (39- 1.7)/10.
A 0.0373 B 0.373 C 3.73 B 37.3

#5 What is the product of 8.5 x 0.7?
A 59.5 B 12.14 C 5.95 D 1.214

Fractions that equals 1

Any fraction were the numrator and denominators are the same

Order of Operations

B- Brackets
Always do brackets first,

E- Exponents
If their don't have brackets then look for exponents,

D- Divide
Now find and do division,

M- Multipy
now if there are no division find and do multiplication,

A- Addition
next you have to look for addition, (do left then right eg. 4+5-3x2 if the first question is addition or subtraction.)

S- Subtraction
and finally do subtraction if there is any.