5.1B Use of Brackets & Order of Operations
Presentation
•
Mathematics
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6th - 8th Grade
•
Practice Problem
•
Hard
ariel lim
Used 2+ times
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1 Slide • 9 Questions
1
5.1B Use of Brackets & Order of Operations
1G1 Textbook 1A Page 166 - 173
2
Multiple Choice
Try It 7 ! page 166
Melvin had $b in his bag and $w in his wallet.
He spent ⅓ of the total amount of money.
(a) The amount of money that he spent, in its simplest form is
31×(b+w)
31×b×w
31(b+w)
31bw
3
Multiple Choice
Try It 7 ! page 166
Melvin had $b in his bag and $w in his wallet.
He deposited 25% of the total amount in the bank.
The amount of money that he deposited in the bank, in its simplest form, is
25 × (b+w)
41×(b+w)
10025×(b+w)
41(b+w)
4
Draw
Ex 5B, TB page 172, Q2
Suguna had $s. She earns $e.
She donates 10% of the total amount to charity. Write an algebraic expression for
(b) the amount of money that she donates.
5
Draw
Ex 5B, TB page 172, Q2
Suguna had $s. She earns $e.
She then spends 61 of the total amount of money.
Write an algebraic expression for
(a) the amount of money that she spends.
6
Multiple Choice
Ex 5B, TB page 173, Q3
(a) In a box, there are r red pens, b blue pens and g green pens.
How many pens are there in 10 such boxes?
10rbg
10(r+b+gc+e)
10r+b+g
10-r-b-g
7
Fill in the Blanks
Type answer...
8
Multiple Choice
Ex 5B, TB page 173, Q3
(c) Kah Sheng had $k.
He spends $s.
He then distributes the remaining amount of money equally among 5 charities.
How much money does each charity receive?
k - s - 5
5k−s
k - s ÷ 4
k−5s
9
Draw
Ex 5B, TB page 173, Q3
(d) Johari had p boxes of marbles.
Each box contains 20 marbles.
He repacks the marbles into packets of 3 marbles each.
How many packets of marbles will there be?
10
Multiple Select
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5.1B Use of Brackets & Order of Operations
1G1 Textbook 1A Page 166 - 173
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