[FREE] End of Year Math Assessments (Grade 4 and Grade 5)

The assessments cover a range of topics to assess your students' math progress and help prepare them for state assessments.

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Here you’ll learn about comparing fractions, including how to compare fractions with different denominators to decide which of two fractions is the smaller fraction and which is the larger fraction

Students will first learn about comparing fractions as part of numbers and operations in fractions in 4th grade.

**Comparing fractions** is deciding whether one fraction is larger than, smaller than or equal to another.

To do this you can use common denominators, common numerators or compare to benchmark fractions. Use inequality symbols < (less than) and > (greater than) to write the comparison.

For example, which fraction is larger,

The denominators are not the same, so you can create equivalent fractions. Multiply each fraction by the opposite denominator.

\cfrac{24}{40} has 24 parts shaded in and \cfrac{15}{40} has 15 parts shaded in.

Since the parts are the same size, \cfrac{24}{40} is larger.

So, \cfrac{3}{5} is larger than \cfrac{3}{8}.

You write this as \cfrac{3}{5}>\cfrac{3}{8}.

\cfrac{3}{5} and \cfrac{3}{8} have the same numerators, which means they have the same number of parts.

You can use the denominator to decide which parts are larger. Smaller denominators means a larger part of a whole. Larger denominators means a smaller part of a whole.

Fifths are larger, so 3 fifths will be larger than 3 eighths.

So, \cfrac{3}{5} is larger than \cfrac{3}{8}.

You can write this as \cfrac{3}{5}>\cfrac{3}{8}.

You can also compare fractions by using the benchmarks 0, \cfrac{1}{2} and 1.

\cfrac{3}{5} \rightarrow 3 is more than half of 5, so \cfrac{3}{5} is greater than \cfrac{1}{2}.

\cfrac{3}{8} \rightarrow 3 is less than half of 8, so \cfrac{3}{8} is less than \cfrac{1}{2}.

So, \cfrac{3}{5} is larger than \cfrac{3}{8}.

You can write this as \cfrac{3}{5}>\cfrac{3}{8}.

How does this relate to 4th grade math?

**Grade 4: Numbers and Operations – Fractions (4.NF.A.2)**Compare two fractions with different numerators and different denominators, e.g., by creating common denominators or numerators, or by comparing to a benchmark fraction such as \cfrac{1}{2}. Recognize that comparisons are valid only when the two fractions refer to the same whole. Record the results of comparisons with symbols > , =, or < , and justify the conclusions, e.g., by using a visual fraction model.

In order to compare fractions using common denominators:

**See if the fractions have like denominators.****Make equivalent fractions if needed.****Write the answer using the original fractions.**

In order to compare fractions using common numerators:

**See if fractions have like numerators.****Make equivalent fractions if needed.****Write the answer using the original fractions.**

In order to compare fractions using benchmark fractions:

**Decide how the fraction compares to**\bf{0}**,**\bf{\cfrac{1}{2}}**and**\bf{1}**.****Write the answer using the original fractions.**

Use this quiz to check your grade 4 to 6 students’ understanding of fractions. 10+ questions with answers covering a range of 4th, 5th and 6th grade topics to identify areas of strength and support!

DOWNLOAD FREEUse this quiz to check your grade 4 to 6 students’ understanding of fractions. 10+ questions with answers covering a range of 4th, 5th and 6th grade topics to identify areas of strength and support!

DOWNLOAD FREECompare: \cfrac{2}{5} \bigcirc \cfrac{3}{4}.

**See if the fractions have like denominators.**

The fractions do not have the same denominators (bottom numbers).

2**Make equivalent fractions if needed.**

To create a common denominator, multiply each fraction by the opposite denominator.

\hspace{0.5cm} \cfrac{2}{5}=\cfrac{2 \; \times \; 4}{5 \; \times \; 4}=\cfrac{8}{20} \hspace{0.5cm} and \hspace{0.5cm} \cfrac{3}{4}=\cfrac{3 \; \times \; 5}{4 \; \times \; 5}=\cfrac{15}{20}

3**Write the answer using the original fractions.**

\cfrac{8}{20} has 8 parts shaded in and \cfrac{15}{20} has 15 parts shaded in.

Since the parts are the same size, \cfrac{8}{20} is smaller.

So, \cfrac{2}{5} is smaller than \cfrac{3}{4}.

You write this as \cfrac{2}{5} < \cfrac{3}{4}.

You could have also used benchmark fractions to compare these fractions.

\cfrac{2}{5} is less than \cfrac{1}{2} and \cfrac{3}{4} is greater than \cfrac{1}{2}.

Compare: \cfrac{4}{6} \bigcirc \cfrac{8}{12}.

**See if the fractions have like denominators.**

The fractions do not have the same denominators (bottom numbers).

**Make equivalent fractions if needed.**

To create a common denominator, multiply each fraction by the opposite denominator.

\hspace{0.2cm} \cfrac{4}{6}=\cfrac{4 \; \times \; 12}{6 \; \times \; 12}=\cfrac{48}{72} \hspace{0.5cm} and \hspace{0.5cm} \cfrac{8}{12}=\cfrac{8 \; \times \; 6}{12 \; \times \; 6}=\cfrac{48}{72}

(You can also create common denominators by doubling \cfrac{4}{6}=\cfrac{4 \; \times \; 2}{6 \; \times \; 2}=\cfrac{8}{12}.)

**Write the answer using the original fractions.**

Both fractions \cfrac{48}{72} have 48 parts shaded.

Since the parts are the same size, the fractions are equal.

So, \cfrac{4}{6} and \cfrac{8}{12} are equal.

You write this as \cfrac{4}{6}=\cfrac{8}{12}.

Compare: \cfrac{7}{8} \bigcirc \cfrac{7}{10}.

**See if the fractions have like numerators.**

The fractions have the same numerators (top numbers).

**Make equivalent fractions if needed.**

You do not need to use equivalent fractions, you can compare with the common numerators.

**Write the answer using the original fractions.**

Eighths are larger, so 7 eighths will be larger than 7 tenths.

So, \cfrac{7}{8} is larger than \cfrac{7}{10}.

You write this as \cfrac{7}{8}>\cfrac{7}{10}.

Compare: \cfrac{2}{10} \bigcirc \cfrac{1}{12}.

**See if the fractions have like numerators.**

The fractions do not have the same numerators (top numbers).

**Make equivalent fractions if needed.**

To create a common numerator, multiply each fraction by the opposite numerator.

\cfrac{2}{10}=\cfrac{2 \; \times \; 1}{10 \; \times \; 1}=\cfrac{2}{10} \hspace{0.5cm} and \hspace{0.5cm} \cfrac{1}{12}=\cfrac{1 \; \times \; 2}{12 \; \times \; 2}=\cfrac{2}{24}

**Write the answer using the original fractions.**

Tenths are larger, so 2 tenths will be larger than 2 twenty-fourths.

So, \cfrac{2}{10} is larger than \cfrac{2}{24}.

You write this as \cfrac{2}{10}>\cfrac{1}{12}.

Compare: \cfrac{3}{6} \bigcirc \cfrac{4}{5}.

**Decide how the fraction compares to** \bf{0} **, ** \bf{\cfrac{1}{2}} **and** \bf{1} **.**

\cfrac{3}{6} is equal to \cfrac{1}{2} and \cfrac{4}{5} is greater than \cfrac{1}{2}.

**Write the answer using the original fractions.**

So, \cfrac{3}{6} is smaller than \cfrac{4}{5}.

You write this as \cfrac{3}{6}<\cfrac{4}{5}.

Compare: \cfrac{1}{4} \bigcirc \cfrac{2}{3}.

**Decide how the fraction compares to** \bf{0} **, ** \bf{\cfrac{1}{2}} **and** \bf{1} **.**

\cfrac{1}{4} is less than \cfrac{1}{2} and \cfrac{2}{3} is greater than \cfrac{1}{2}.

**Write the answer using the original fractions.**

So, \cfrac{1}{4} is smaller than \cfrac{2}{3}.

You write this as \cfrac{1}{4}<\cfrac{2}{3}.

- Instead of telling students which method to use, give students opportunities to try each method when comparing different pairs of fractions. This helps them not only remember the methods, but grow ideas about which methods work best for different fraction comparisons.

- Fraction work in 3rd grade centers around understanding through models; particularly area models and number lines. To build on this in 4th grade, always have physical or digital models available for students to use when necessary.

- Avoid teaching students to cross multiply. Students are not yet ready to understand the math behind cross multiplication. The purpose of comparing fractions at this level is for students to continue making sense of fraction sizes. Students should be thinking deeply about the process used to compare, not memorizing a rote procedure.

**Mixing up the inequality symbols**

Make sure you get them the right way around, < is “less than” and > is “greater than”. An easy way to remember them is to think of these images of blocks.

**Thinking using fractions is only one way to compare fractions**

In some cases, it may be easier to use decimals instead. For example, comparing \cfrac{1}{2} and \cfrac{3}{10}. These fractions as decimals would be 0.5 and 0.3.

Therefore \cfrac{1}{2} is the smallest fraction and \cfrac{3}{10} is the larger fraction.

1. Compare: \cfrac{5}{8} \bigcirc \cfrac{4}{10}.

\cfrac{5}{8}>\cfrac{4}{10}

\cfrac{5}{8}<\cfrac{4}{10}

\cfrac{5}{8}=\cfrac{4}{10}

\cfrac{5}{8}\le\cfrac{4}{10}

\cfrac{5}{8} is greater than \cfrac{1}{2} and \cfrac{4}{10} is less than than \cfrac{1}{2}.

So, \cfrac{5}{8} is greater than \cfrac{4}{10}.

You write this as \cfrac{5}{8}>\cfrac{4}{10}.

2. Compare: \cfrac{6}{8} \bigcirc \cfrac{5}{6}.

\cfrac{6}{8}=\cfrac{5}{6}

\cfrac{6}{8}\ge\cfrac{5}{6}

\cfrac{6}{8}>\cfrac{5}{6}

\cfrac{6}{8}<\cfrac{5}{6}

The denominators are not like.

To create a common denominator, multiply each fraction by the opposite denominator.

\hspace{0.5cm} \cfrac{6}{8}=\cfrac{6 \; \times \; 6}{8 \; \times \; 6}=\cfrac{36}{48} \hspace{0.5cm} and \hspace{0.5cm} \cfrac{5}{6}=\cfrac{5 \; \times \; 8}{6 \; \times \; 8}=\cfrac{40}{48}

\cfrac{36}{48} has 36 parts shaded in and \cfrac{40}{48} has 40 parts shaded in.

Since the parts are the same size, \cfrac{36}{48} is smaller.

So, \cfrac{6}{8} is smaller than \cfrac{5}{6}.

You write this as \cfrac{6}{8}<\cfrac{5}{6}.

3. Compare: \cfrac{3}{10} \bigcirc \cfrac{3}{12}.

\cfrac{3}{10}<\cfrac{3}{12}

\cfrac{3}{10}>\cfrac{3}{12}

\cfrac{3}{10}=\cfrac{3}{12}

\cfrac{3}{10}\le\cfrac{3}{12}

Tenths are larger, so 3 tenths will be larger than 3 twelfths.

You write this as \cfrac{3}{10}>\cfrac{3}{12}.

4. Compare: \cfrac{5}{6} \bigcirc \cfrac{10}{12}.

\cfrac{5}{6}>\cfrac{10}{12}

\cfrac{5}{6} ≠ \cfrac{10}{12}

\cfrac{5}{6}<\cfrac{10}{12}

\cfrac{5}{6}=\cfrac{10}{12}

The denominators are not like.

To create a common denominator, multiply each fraction by the opposite denominator.

\hspace{0.2cm} \cfrac{5}{6}=\cfrac{5 \; \times \; 12}{6 \; \times \; 12}=\cfrac{60}{72} \hspace{0.5cm} and \hspace{0.5cm} \cfrac{10}{12}=\cfrac{10 \; \times \; 6}{12 \; \times \; 6}=\cfrac{60}{72}

(You can also create common denominators by doubling \cfrac{5}{6}=\cfrac{5 \; \times \; 2}{6 \; \times \; 2}=\cfrac{10}{12}.)

Both fractions \cfrac{60}{72} have 60 parts shaded.

Since the parts are the same size, the fractions are equal.

So, \cfrac{5}{6} and \cfrac{10}{12} are equal.

You write this as \cfrac{5}{6}=\cfrac{10}{12}.

5. Which of the following fractions is the smallest?

\cfrac{2}{3} \hspace{0.5cm} \cfrac{5}{6} \hspace{0.5cm} \cfrac{3}{4} \hspace{0.5cm} \cfrac{11}{12}

\cfrac{5}{6}

\cfrac{11}{12}

\cfrac{3}{4}

\cfrac{2}{3}

Each fraction is one part away from a whole.

Since thirds are the largest parts, \cfrac{2}{3} is the farthest from 1 whole and is the smallest.

You can also solve by finding common denominators. All the fractions have a multiple of 12.

\cfrac{2 \; \times \; 4}{3 \; \times \; 4}=\cfrac{8}{12} \hspace{0.5cm} \cfrac{5 \; \times \; 2}{6 \; \times \; 2}=\cfrac{10}{12} \hspace{0.5cm} \cfrac{3 \; \times \; 3}{4 \; \times \; 3}=\cfrac{9}{12} \hspace{0.5cm} \cfrac{11}{12}

Now compare the numerators. 8 is the smallest numerator, so \cfrac{2}{3} is the smallest fraction.

6. Which fraction is the largest?

\cfrac{7}{10} \hspace{0.5cm} \cfrac{4}{5} \hspace{0.5cm} \cfrac{1}{2} \hspace{0.5cm} \cfrac{3}{8}

\cfrac{7}{10}

\cfrac{4}{5}

\cfrac{1}{2}

\cfrac{3}{8}

\cfrac{3}{8} is less than \cfrac{1}{2}.

\cfrac{7}{10} and \cfrac{4}{5} are greater than \cfrac{1}{2}, so one of those will be the largest.

You can use a common denominator to compare \cfrac{7}{10} and \cfrac{4}{5}.

\cfrac{7 \; \times \; 5}{10 \; \times \; 5}=\cfrac{35}{50} \hspace{0.5cm} and \hspace{0.5cm} \cfrac{4 \; \times \; 10}{5 \; \times \; 10}=\cfrac{40}{50}

(You can also create common denominators by doubling \cfrac{4}{5}=\cfrac{4 \; \times \; 2}{5 \; \times \; 2}=\cfrac{8}{10}.)

Now that the denominators are the same, the parts are the same size.

\cfrac{40}{50} has a larger numerator than \cfrac{35}{50}, which means it has more parts.

So, \cfrac{4}{5} is the largest.

No, you can use any factor to create a common denominator to compare fractions.

Yes, the same strategies shown above can be used for improper fractions and mixed numbers. There is an additional step for mixed numbers. You would either need to compare the whole numbers first, before the fraction or convert the mixed number to an improper fraction before comparing.

Yes, you can compare a set of fractions by ordering them from least to greatest or greatest to least. They can be listed or written as an inequality comparison.

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