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MathematicsCounting & CardinalityAges 4–6

One More Each Time

Each successive counting number represents a quantity that is one larger than the previous number

Lesson

Set out your lesson

“Each next counting number means one more object. If you have 5 and get one more, you have 6. You can say the next number instead of recounting every object from one.”

Bring to the table

  • At least 6 large blocks, toys, or paper circles
  • Optional paper and marker
Extra for the adult

Worked example. 4 apple cards plus one more apple card makes 5, the next number after 4.

Optional challenge. Hold up 5 fingers and ask, “What number is one more than 5?” without adding a physical sixth object first.

What to notice. Save a parent note such as “Started with 3, added one more, child said 4.”

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Teaching approaches

Gakuva’s recommended starting approach is selected. You can still compare every option.

2 approaches

Selected Default Gakuva

Each next counting number means one more object. If you have 5 and get one more, you have 6. You can say the next number instead of recounting every object from one.

Spend about 10 minutes adding one object to small sets and naming the new total.

Gakuva

Relate successive counting numbers to adding one and identify one less.

Relate successive counting numbers to adding one and identify one less.

Family records and proof options

Keep a record of your learning

Save photos, notes, and attendance. Export a proof packet for compliance or portfolio reviews.

Learning resources

Extra practice links — they do not replace Gakuva’s teaching approach.

Topmarks · Practice link — not the full lesson

Chopper Squad

Open practice (new tab)
Before you open · source notes

Find one more or one less than a given number on a number chart. Use the one-more mode for “one more each time” sequences.

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Before you open

Save a rescue screenshot plus a parent note of a three-step “one more each time” chain the learner said aloud.

Opening this link does not save learning or assess mastery.

Source, access and review notes

Unknown — link only

Topmarks · Practice link — not the full lesson

Robot More or Less

Open practice (new tab)
Before you open · source notes

Match one-more/one-less facts quickly. Keep the step size at 1 for this concept.

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Before you open

Save a matched-pair screenshot and a parent note of two correct “one more” statements.

Opening this link does not save learning or assess mastery.

Source, access and review notes

Unknown — link only

Check understanding

  • Given a set of 5, know that adding one object makes 6
  • Explain that 8 is one more than 7
  • Given a number, identify one more and one less
“If your child has 5 stickers and you give them one more, do they know immediately there are now 6 — without needing to count all of them again from one?”

Curriculum record

Type
Conceptual
Subject
Mathematics
Domain
Counting & Cardinality
Age range
Ages 4–6

Standards

acara-v9:AC9MFN01ccss-math:K.CC.4.cthe-ontario-curriculum-kindergarten-2026:ON-K-2026-K-A6.2uk-nc-2013:Maths/Y1/NPV/3