Grade 5

Fractions addition and subtraction

Add and subtract fractions with like denominators and connect them to mixed-number thinking.

Category: Number Sense & Math Thinking 11 min Advanced
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When the denominators are the same, the parts are the same size. Add or subtract the numerators while keeping the denominator unchanged.

Read and think

Open one card at a time, read the text together, and use the audio button when hearing the line once helps.

Read and think Text card

If Mira drinks 2/8 of a bottle in the morning and 3/8 later, how much altogether?

fraction addition

Same denominators mean add the numerators.

Example: 2/8 + 3/8 = 5/8.

Read and think Text card

A ribbon is 7/10 metre long. If 2/10 metre is cut off, how much remains?

fraction subtraction

Subtract the parts because the whole is shrinking.

Example: 7/10 - 2/10 = 5/10 or 1/2.

Read and think Text card

If a recipe uses 4/4 of a cup, that is one whole cup.

whole from fractions

A denominator-sized number of parts makes one whole.

Example: 4/4 = 1 whole.

Read and think Text card

Strategy: Draw bars or circles when fraction numbers feel hard to picture.

visual model

Models make fraction operations easier to understand.

Example: Visual thinking supports fraction accuracy.

More in this topic

These next steps stay in the same stage so the child does not get sent backward.

Grade 5

Multi-step word problems

Break a larger problem into smaller steps and decide which operation to use at each stage.