6th grade · Math · Unit 4 of 17
Percents & Budgets
Discounts, deals and saving
What your child practices
Finding percents of amounts, working out sale prices and savings, comparing unit prices to find the better buy, and planning a simple budget and savings goal.
Maine Learning Results learning standard: 6.RP.A.3 · solving percent and rate problems with ratio reasoning
How we explain it
Children can open this short lesson before they practice.
- Percent means out of 100.
- Find 10% by dividing by 10. Find 1% by dividing by 100.
- For a discount, find the percent of the price, then subtract it.
Example: A $40 shirt is 25% off. What is the sale price? 25% is one quarter: $40 ÷ 4 = $10 off. $40 − $10 = $30. Answer: $30
Percents & Budgets in Maine
In the Maine Learning Results, this is unit 4 of 17 in 6th grade Math, after Decimal × and ÷ and before Patterns & Graphs.
Gradelings describes a child's practice on this unit as Beginning, Approaching, Meeting or Exceeding (Four practice steps). That reflects practice, not a report-card mark: the teacher decides the mark.
Source: Maine Department of Education
Sample questions
A taste of this unit. In the app, questions change every time and get easier or harder to match your child.
Question 1
Which is the better buy for granola bars?
- 5 for $6.75
- 9 for $13.05
- Both cost the same per granola bar
5 for $6.75
Hint: Find the price of one granola bar in each deal: divide the price by the number of granola bars. The lower price for one is the better buy.
Question 2
What is 75% of 224?
answer box
168
Hint: 75% is three quarters: divide 224 by 4, then multiply by 3.
Question 3
Ana buys a backpack that normally costs $30. The store takes 20% off. How many dollars does Ana save?
answer box
6
Hint: The amount saved is the discount: 20% of $30. Find 10% of $30 by dividing by 10. Then 20% is 2 times as much.
Question 4
Which decimal is equal to 97%?
- 97
- 0.097
- 0.97
- 9.7
0.97
Hint: 97% means 97 out of 100, or 97 hundredths. Hundredths go 2 places after the decimal point.
Question 5
Ana already has $40 and saves $5 each week. A bike costs $90. How many weeks until Ana can buy it?
answer box
10
Hint: Subtract what Ana already has from the cost to find how much is still needed. Then divide by $5.
Question 6
What percent of the bar is shaded?
answer box%
50 %
Hint: The whole bar is 100%. It has 4 equal parts, so each part is 25%. Multiply by the number of shaded parts.