Comparing and ordering numbers
Compare and order two-digit numbers, and numbers across 100 up to 120, using the symbols >, =, and <, based on place value understanding
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Comparing and ordering numbers means lining up two-digit numbers—and numbers across 100 up to 120—with >, =, and < by thinking about place value, not guessing which “looks bigger.” We will compare a pair with place-value talk, write the symbol, order a short set that may cross 100, then check a fresh pair.
Spend about 12 minutes comparing and ordering two-digit numbers and values up to 120 with place-value materials and >, =, <, then checking a new comparison.
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Illustrative Mathematics · Practice link — not the full lesson
Comparing Numbers
Before you open · source notes
Build two-digit numbers and compare tens and ones with inequality symbols. Paper spinners, dice, or adult-chosen digits can supply the numbers. The partner can be an adult.
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Before you openAsk which digit decides the comparison first. Spinners are a proposed family material, not a website widget confirmed by this GET.
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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 2026-11-10 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. “Comparing Numbers.” 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
- Correctly place > or < between 34 and 43
- Order a set of numbers from smallest to largest, including numbers either side of 100 (e.g. 98, 104, 111, 120)
- Explain a comparison by referring to the highest place value first — hundreds when comparing across 100 (e.g. 98 < 104 because 104 has 1 hundred), then tens and ones when needed
“If you show your child cards with 104, 98, 120 and 111, can they put them in order from smallest to largest — and use > or < correctly, such as 98 < 104?”
Curriculum record
- Type
- Procedural
- Subject
- Mathematics
- Domain
- Number Representation & Place Value
- Age range
- Ages 3–8
Standards