Algebra
Learning Intention: Solving problems by following a rule
10
Pattern/Position
Rule
Total
20
Multiply by 3, then add 2
Instructions: Start by taking the position number, multiply it by 3 and then add 2
10
Pattern/Position
Rule
Total
20
Multiply by 5, then subtract 4
Instructions: Start by taking the position number, multiply it by 5 and then subtract by 4
10
Pattern/Position
Rule
Total
20
Add 4, then multiply by 2
10
Pattern/Position
Rule
Total
20
Divide by 2, then add 7
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Paul buys books through a book club at his school.
All the books cost $5.00 each and with each order, $6.00 postage is charged.
Hint: Think about which is the constant and which is the variable? Which price is changing when your order more books? and which price is staying the same?
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Soccer balls can be bought for $12.00 each from a mail order company.
Postage of $9.00 is charged for each order, no matter how many soccer balls are purchased.
Hint: Think about which is the constant and which is the variable? Which price is changing when your order score balls? and which price is staying the same?
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Andrew makes an overseas toll call that costs $1.50 per minute and uses an operator when he makes the call. Using an operator means there is an additional charge of $2.50 per call.
Hint: Think about which is the constant and which is the variable? Which price is changing when your call overseas? and which price is staying the same?