Lesson · L1

First Subtraction on One Rod

subtraction 15 min child, adult 数六

L1Level

subtractionSkill

15mTime

child/adultAudience

First Addition on One RodPrerequisite

Best for

Best for building confident arithmetic rhythm before moving into mixed worksheets.

1. Read the core idea 2. Study the worked example 3. Practice the related drills

Core idea

Learn subtraction as careful removal, not rushed guessing.

Objectives

Reusable visual engine

Worked visual for First Subtraction on One Rod

Value 6 · 六

Step 1

Step 2

Subtraction becomes easier when you remove only what the question asks for and then pause.

Say the starting number, the change, and the final number in one calm sentence.

Next step

Use practice mode for immediate repetition, or open worksheets for denser drill sets tied to this level and skill.

Previous lesson

Begin addition with controlled changes on a single rod.

Best next step: stabilize the prerequisite first Open previous lesson →

Next lesson

Use number pairs to move more efficiently on the soroban.

Best next step: continue while the pattern is still clear Open next lesson →

Add 4 and 4
L1 addition 5 min

Read the final rod as five plus three.

Best next step: attempt before checking Try exercise →
Subtract 2 from 8
L1 subtraction 5 min

Eight is five plus three. Removing two leaves five plus one.

Best next step: attempt before checking Try exercise →