California course

Math Foundations

Strengthen number sense, fractions, ratios, expressions, equations, geometry, and data—the bridge from middle-school math to high-school success.

Problem types
634
Practice variants
2,536
Problem types

Page 4 of 18

Each problem type has four distinct practice variants. Open a preview to move among all four.

MF.RN.4 MF-010-A02-V01

Order rational numbers across forms

Compare and order rational numbers written as fractions, decimals, and percents.

Ordering mixed forms is safest after converting everything to one representation. We’ll write the percent and fraction as decimals, align all values through the thousandths place, and compare from left …

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MF.RN.4 MF-010-A03-V01

Choose the best benchmark match

Compare and order rational numbers written as fractions, decimals, and percents.

Closeness to one half means the smallest absolute distance from the benchmark, not merely a familiar-looking form. We’ll rewrite one half and every candidate on a common decimal scale, calculate …

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MF.RN.4 MF-010-A04-V01

Complete a rational-number comparison

Compare and order rational numbers written as fractions, decimals, and percents.

The missing fraction must satisfy two strict comparisons, so values equal to either endpoint do not count. We’ll rewrite zero point six and seventy percent on one decimal scale and …

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MF.RN.4 MF-010-A05-V01

Compare contextual rational quantities

Compare and order rational numbers written as fractions, decimals, and percents.

Because the stores discount the same kind of backpack, comparing their rates is enough to compare the amount saved. We’ll convert the fractional discount to a percent, place all three …

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MF.RN.4 MF-010-A06-V01

Find the closest contextual benchmark match

Compare and order rational numbers written as fractions, decimals, and percents.

Closest means the smallest distance from seventy-five percent, whether a class rate lies above or below it. We’ll convert every rate to percent form, calculate each absolute percentage-point gap from …

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MF.RN.4 MF-010-A07-V01

Classify rational numbers by benchmark range

Compare and order rational numbers written as fractions, decimals, and percents.

We’ll use zero point five and one as the two benchmark boundaries and rewrite every mixed-form value as a decimal. Each value then gets tested against both boundaries before it …

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MF.RN.4 MF-010-A09-V01

Check a mixed-form ordering claim

Compare and order rational numbers written as fractions, decimals, and percents.

To judge the student’s ordering claim, we’ll rebuild the order independently instead of relying on how the forms look. We’ll convert the percent and fraction to decimals, align all three …

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MF.RN.4 MF-010-A10-V01

Convert to a common form for comparison

Compare and order rational numbers written as fractions, decimals, and percents.

This task asks for both the decimal conversions and the least-to-greatest order, so we’ll keep those stages separate. We’ll interpret tenths by place value, turn the percent into hundredths, align …

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MF.RN.4 MF-010-A11-V01

Name a benchmark in several forms and compare it

Compare and order rational numbers written as fractions, decimals, and percents.

The bar gives a part-to-whole fraction: count shaded equal sections for the numerator and all equal sections for the denominator. We’ll convert that fraction to a decimal, express the same …

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MF.RN.4 MF-010-A12-V01

Filter a mixed-form set by benchmark conditions

Compare and order rational numbers written as fractions, decimals, and percents.

The conditions create an open interval: a value must be strictly above zero point four and strictly below fifty percent. We’ll convert the upper bound and every mixed-form entry to …

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MF.RN.4 MF-010-A13-V01

Choose the right mixed-form comparison strategy

Compare and order rational numbers written as fractions, decimals, and percents.

A useful common form should preserve exact values and make all three numbers easy to compare. We’ll examine which representation handles the fraction, decimal, and percent exactly and efficiently, then …

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MF.RN.5 MF-011-A01-V01

Convert a fraction to decimal and percent

Convert among fractions, decimals, and percents and choose the most useful form for a task.

A fraction names a division, so the decimal comes from dividing the numerator by the denominator rather than combining their digits. We’ll then rewrite that decimal in hundredths and read …

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MF.RN.5 MF-011-A02-V01

Convert a decimal to fraction and percent

Convert among fractions, decimals, and percents and choose the most useful form for a task.

The last digit in zero point three seven five is in the thousandths place, which gives a natural fraction before simplification. We’ll write that place-value fraction, divide numerator and denominator …

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MF.RN.5 MF-011-A03-V01

Convert a percent to decimal and fraction

Convert among fractions, decimals, and percents and choose the most useful form for a task.

Percent means per hundred, so converting sixty-two point five percent to a decimal requires dividing by one hundred. We’ll express the resulting decimal as a place-value fraction, reduce it by …

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MF.RN.5 MF-011-A04-V01

Choose the most useful rational-number form

Convert among fractions, decimals, and percents and choose the most useful form for a task.

The store-sign context tells us the useful target form is a percent, while one fourth describes the portion removed from the price. We’ll scale the fraction to an equivalent amount …

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MF.RN.5 MF-011-A05-V01

Write a contextual share in three forms

Convert among fractions, decimals, and percents and choose the most useful form for a task.

Maya’s completed share begins as completed questions over total questions, so the part and whole must stay in that order. We’ll simplify the fraction, divide to get the decimal, and …

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MF.RN.5 MF-011-A06-V01

Pick the best form for a context

Convert among fractions, decimals, and percents and choose the most useful form for a task.

A public weather card communicates rain chance in percent form, so the decimal must be renamed without changing its value. We’ll write zero point three using hundredths, interpret that amount …

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MF.RN.5 MF-011-A07-V01

Complete a contextual equivalence table

Convert among fractions, decimals, and percents and choose the most useful form for a task.

Each battery row has one supplied anchor, and all three forms in that row must name exactly the same level. We’ll complete one device at a time by converting among …

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MF.RN.5 MF-011-A10-V01

Translate a visual model into three forms

Convert among fractions, decimals, and percents and choose the most useful form for a task.

Because the grid contains one hundred equal cells, the shaded count immediately gives both a fraction in hundredths and a percent. We’ll count the full shaded rows plus the extra …

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MF.RN.5 MF-011-A11-V01

Translate verbal share language into useful forms

Convert among fractions, decimals, and percents and choose the most useful form for a task.

The phrase three out of eight identifies part over whole, and the strip confirms that same relationship. We’ll check whether the fraction is already simplified, divide numerator by denominator for …

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MF.RN.5 MF-011-A12-V01

Filter a mixed-form set for equivalence

Convert among fractions, decimals, and percents and choose the most useful form for a task.

Exact equivalence means every retained value must equal zero point six, not merely look close or contain the same digit. We’ll convert each fraction and percent to a decimal, recognize …

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MF.RN.5 MF-011-A13-V01

Choose a smart conversion strategy

Convert among fractions, decimals, and percents and choose the most useful form for a task.

The spreadsheet requires decimals, so that target form should guide both the conversions and the final sort. We’ll divide the fraction, divide the percent by one hundred, preserve the given …

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MF.RN.6 MF-012-A01-V01

Find a benchmark percent of a quantity

Find a percent of a quantity and interpret the result in context.

Twenty-five percent is a benchmark percent, so it can be replaced with a familiar fraction of the whole. We’ll simplify twenty-five out of one hundred, use that fraction to divide …

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MF.RN.6 MF-012-A02-V01

Find a non-benchmark percent of a quantity

Find a percent of a quantity and interpret the result in context.

Finding thirty-five percent of a whole means multiplying the whole by thirty-five hundredths, not by the whole number thirty-five. We’ll convert the percent to a decimal and multiply by two …

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MF.RN.6 MF-012-A03-V01

Find a percent of a decimal or rational quantity

Find a percent of a quantity and interpret the result in context.

The word of signals multiplication even when the whole is a decimal quantity. We’ll convert fifteen percent to its decimal multiplier, multiply by all of eight point four, and track …

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MF.RN.6 MF-012-A04-V01

Complete a percent-of-quantity structure

Find a percent of a quantity and interpret the result in context.

The diagram identifies eighteen percent as the rate, two hundred fifty as the whole, and the blank as the missing part. We’ll convert the percent to a decimal, multiply it …

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MF.RN.6 MF-012-A05-V01

Find and interpret a contextual percent amount

Find a percent of a quantity and interpret the result in context.

The whole is the forty-five students in the grade, and the percent describes the part who ride the bus. We’ll rewrite twenty percent as either a decimal multiplier or a …

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MF.RN.6 MF-012-A06-V01

Compare percent amounts across contexts

Find a percent of a quantity and interpret the result in context.

The written percentages apply to different page totals, so comparing thirty percent with twenty percent alone cannot settle the question. We’ll compute each percent amount within its own table row, …

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MF.RN.6 MF-012-A07-V01

Use a percent amount inside a context

Find a percent of a quantity and interpret the result in context.

The sixty percent describes filled seats, but the question asks for the complementary group of open seats. We’ll first calculate the filled part of the fifty-seat whole, subtract that part …

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MF.RN.6 MF-012-A09-V01

Check reasonableness in a percent-of-quantity problem

Find a percent of a quantity and interpret the result in context.

Before calculating, we’ll test the claim against a key benchmark: a positive percent below one hundred percent should produce less than the positive whole. Then we’ll convert twelve percent to …

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MF.RN.6 MF-012-A10-V01

Translate percent of into multiplication

Find a percent of a quantity and interpret the result in context.

The phrase thirty-five percent of eighty tickets has a standard structure: convert the percent to a decimal and replace of with multiplication. We’ll build that expression, evaluate it, and preserve …

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MF.RN.6 MF-012-A11-V01

Read a percent model and find the part

Find a percent of a quantity and interpret the result in context.

The full bar represents one hundred fifty items, while four of its ten equal sections are shaded. We’ll find the value of one ten-percent section, scale that amount to the …

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MF.RN.6 MF-012-A12-V01

Screen for correct percent-of-quantity representations

Find a percent of a quantity and interpret the result in context.

Every valid representation must preserve all three roles: forty percent as the rate, sixty as the whole, and the resulting part. We’ll establish that target relationship, test each equation or …

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MF.RN.6 MF-012-A13-V01

Choose a smart percent-of-quantity strategy

Find a percent of a quantity and interpret the result in context.

The task requires the benchmark-percent strategy, so fifteen percent should be split into ten percent and five percent of the same whole. We’ll find one tenth of eighty, halve that …

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MF.RN.7 MF-013-A01-V01

Find a percent increase

Calculate percent increase and decrease and explain what the percent measures.

Percent increase compares how much the quantity grew with where it started, so forty—not fifty—is the base. We’ll subtract the original from the new amount, divide that increase by the …

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MF.RN.7 MF-013-A02-V01

Find a percent decrease

Calculate percent increase and decrease and explain what the percent measures.

Percent decrease measures the amount lost relative to the original eighty, not relative to the ending value. We’ll subtract the new amount from the original, divide that loss by eighty, …

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