Rounding tenths to whole numbers
Round decimals with one decimal place to the nearest whole number
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Rounding tenths to whole numbers 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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Start practiceRounding tenths to whole numbers practice
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Learning resources
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Illustrative Mathematics · Practice link — not the full lesson
Rounding to Tenths and Hundredths
Before you open · source notes
Rounding to tenths and hundredths supports rounding tenths toward a whole. Not every exact decimal product.
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 round one decimal to the nearest tenth and to the nearest whole.
Opening this link does not save learning or assess mastery.
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 2026-11-12 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. “Rounding to Tenths and Hundredths.” Licensed CC BY-NC-SA 4.0. External task; Gakuva does not copy, host, embed, or redistribute it.
CC BY-NC-SA 4.0 — link only
Check understanding
- Round 3.7 to 4 and 3.2 to 3
- Place 6.5 on a number line between 6 and 7 and decide it rounds to 7
- Round a set of one-decimal-place numbers and explain the rounding rule
“If your child measures something as 3.7 m, can they tell you whether that rounds to 3 m or 4 m — and explain why?”
Curriculum record
- Type
- Procedural
- Subject
- Mathematics
- Domain
- Fractions
- Age range
- Ages 8–10
Standards