Florida B.E.S.T. MA.912.FL.1.1
The Standard
Extend previous knowledge of operations of fractions, percentages and decimals to solve real-world problems involving money and business.
Florida B.E.S.T. Standards for Mathematics
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students calculate with fractions, decimals, and percents in financial situations. They choose the correct operations, track units, and explain whether each answer makes sense.
What Mastery Looks Like
- Students correctly calculate discounts, taxes, tips, markups, commissions, and unit prices. They solve multistep problems, label money amounts, round to the nearest cent, and check whether results are reasonable.
Common Misconceptions
- Students may treat 25% as 25 instead of 0.25, or subtract the discount rate without finding the discount amount. They may use the sale price instead of the original price as the percent base. Rounding too early can also change the final amount.
How to Assess It
- Give this exit ticket: “A jacket costs $80, is discounted 25%, then taxed 7%. Find the final price and show each step.”
Lesson moves
Ways to Teach It
Give pairs store ads, play money, and a $150 budget; they select items and calculate discounts, tax, and remaining cash.
Ask, “Is 20% off followed by 20% markup the original price?” Students calculate an example and defend their answer.
Run a matching game where students pair financial scenarios with expressions, calculations, and correctly rounded answers.
Have students compare two phone plans using monthly fees, data overage rates, taxes, and a six-month total.
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Printable MA.912.FL.1.1 Worksheet
A ready-to-print activity worksheet aligned to MA.912.FL.1.1, with an answer key for the teacher on its own page. No account needed.
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Related Standards
- MA.5.M.2.1
Solve multi-step real-world problems involving money using decimal notation.
- MA.7.AR.3.1
Apply previous understanding of percentages and ratios to solve multi-step real-world percent problems.
- MA.5.AR.1.2
Solve real-world problems involving the addition, subtraction or multiplication of fractions, including mixed numbers and fractions greater than 1.
- MA.912.FL.1.2
Extend previous knowledge of ratios and proportional relationships to solve real-world problems involving money and business.
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