Number Sentences & Missing Factors cover

Number Sentences & Missing Factors — Look inside — Look inside

Stage 2 · Years 3–4Number & Algebra

Number Sentences & Missing Factors

A no-prep, print-and-go NSW Stage 2 (Years 3–4) pack on number sentences & missing factors, aligned to the NSW Mathematics K–10 Syllabus (2022), outcome MA2-MR-02. Three star-differentiated worksheets with answer keys, plus a real-world Apply It page.

One-off price

$4.50AUD

Instant PDF download
Single-classroom licence

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Preview the pack (watermarked PDF)

Three levels, one outcome

Every student works on MA2-MR-02 — pitched to where they are.

Support

Access the outcome with scaffolding

Core

The grade-expected task

Extension

Stretch for those ready

What's included

Cover page
Teacher / About page with syllabus alignment and a star-level legend
★☆☆ Support — missing factors and missing values in division, fact families,
★★☆ Core — missing values to 10 × 10, using the inverse to find and check, and
★★★ Extension — related facts and multiples of 10, unknowns across the equals
A full answer key for every worksheet (with teacher look-fors)
Apply It — Maths in the Real World: five real-world grouping, sharing and money

Built on the evidence

This isn't a worksheet dump. Every choice in this pack is grounded in what the NSW Department of Education says actually helps students learn.

Explicit teaching & worked examples
The Teacher/About page sets the learning intention and models the outcome with worked examples before students practise — the NSW explicit-teaching sequence of I do → we do → you do.
CESE What Works Best 2025 · Explicit teaching
Differentiation that manages cognitive load
Three tiers — ★ Support, ★★ Core, ★★★ Extension — let you pitch each task to a student's prior knowledge, protecting novices from overload while stretching those ready for more.
CESE · Cognitive load theory
Application & transfer
An Apply It page takes the skill into a real-world context, helping students build durable, connected schemas rather than isolated procedures.
NSW DoE · How learning happens
Syllabus-aligned & assessable
Mapped directly to NSW Mathematics K–10 (2022) outcome MA2-MR-02, with a full answer key for every task so you can check for understanding at a glance.
NESA · NSW Mathematics K–10 (2022)