Decimal equivalents of tenths and hundredths
Recognise and write decimal equivalents of any number of tenths or hundredths (e.g. 3/10 = 0.3, 27/100 = 0.27)
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Decimal equivalents of tenths and hundredths means practising the idea at the table with counters or paper models and one clear check. We will demo once, then your child tries.
Materials: Place-value grid (ones / tenths); Pencil. Adult shows 0.3 as three tenths on the grid. Child builds three decimal amounts on the grid and reads them aloud. Done: three correct decimal readings. Stop after the fresh check; keep optional challenge for another day.
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Illustrative Mathematics · Practice link — not the full lesson
How Many Tenths and Hundredths?
Before you open · source notes
Tenths and hundredths are named as fractions and decimals. This supports decimal equivalents, not every percent conversion.
Free, no sign-in. A teacher solution is on the same page, so use the student view with your child.
Before you openAsk the learner to write one amount as a fraction and as a decimal with tenths or hundredths.
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Source, access and review notes
Public Illustrative Mathematics task page. The .html address responds HTTP 308 to this URL. An anonymous GET of this URL on 2026-11-11 returned HTTP 200 with no login or payment prompt. Where a teacher solution is present, it is on the same page as the student task; this check did not find a separate locked student view. An adult can use the student view section and should not read a solution aloud. Advertising was not observed in the fetched HTML text; that is not a browser, device, or ad-free guarantee. This is a paper or discussion task, not an automatically marked interactive game. Opening the link does not save practice or assess mastery. Diagrams on the page use missing or filename-only alt text, so they are not an accessible image equivalent. Accessibility still depends on an adult describing the picture.
Illustrative Mathematics. “How Many Tenths and Hundredths?.” Licensed CC BY-NC-SA 4.0. External task; Gakuva does not copy, host, embed, or redistribute it.
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Check understanding
- Write 7/10 as 0.7 and vice versa
- Convert 45/100 to 0.45
- Place 0.3 and 3/10 at the same point on a number line
“If your child sees 7/10 on a price label, can they rewrite it as a decimal — and do the same thing for 43/100?”
Curriculum record
- Type
- Conceptual
- Subject
- Mathematics
- Domain
- Fractions
- Age range
- Ages 8–13
Standards