6th grade · Math · Unit 6 of 19
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.
Texas Essential Knowledge and Skills (TEKS) teks student expectation: 6.4(G); 6.5(B) · equivalent fractions, decimals and percents, and finding the part, the whole or the percent
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 Texas
In the Texas Essential Knowledge and Skills (TEKS), this is unit 6 of 19 in 6th grade Math, after Unit Rates 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: Texas Education Agency (TEA)
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 decimal is equal to 28%?
- 2.8
- 0.28
- 1.28
- 0.028
0.28
Hint: 28% means 28 out of 100, or 28 hundredths. Hundredths go 2 places after the decimal point.
Question 2
Kenji already has $30 and saves $5 each week. A tent costs $65. How many weeks until Kenji can buy it?
answer box
7
Hint: Subtract what Kenji already has from the cost to find how much is still needed. Then divide by $5.
Question 3
Which is the better buy for pens?
- 5 for $4.75
- 11 for $11.55
- Both cost the same per pen
5 for $4.75
Hint: Find the price of one pen in each deal: divide the price by the number of pens. The lower price for one is the better buy.
Question 4
A pair of headphones costs $120. It is on sale for 20% off. What is the sale price?
🎧20% off- $24
- $96
- $100
- $144
$96
Hint: First find the discount: 20% of $120. Then subtract the discount from the original price.
Question 5
Kenji has a monthly budget of $60. After paying for everything in the table, how many dollars are left to save?
Kenji's spending this month Item Cost Snacks $22 Lunches $16 Bus pass $15 answer box
7
Hint: Add up the costs first, then subtract the total from $60.
Question 6
Kenji buys a backpack that normally costs $100. The store takes 20% off. How many dollars does Kenji save?
answer box
20
Hint: The amount saved is the discount: 20% of $100. Find 10% of $100 by dividing by 10. Then 20% is 2 times as much.