The Learning Mathematics with the Abacus Year 2 textbook focuses on addition and subtraction up to the number 1000 and develops multiplication and division skills.

Year 2 Textbook Contents

Unit 1: Numbers up to 1000
• Representing ones, tens, and hundreds by blocks
• Saying and recognizing number names and numerals from 101 to 250
• Showing how to represent numbers up to 1000 on the abacus
• Counting by 2s, 5s, 10s and 100s within 1000
• Comparing numbers within 1000
• Visualizing bead representation of numbers up to 1000

Unit 2: Addition with the highest total of 1000
• Applying addition in solving simple real-life problems
• Adding two single digits on the abacus
• Adding a single digit and a double digit number
• Adding two double digits
• Adding a single digit and a triple digit number
• Adding a double digit and a triple digit number
• Adding two triple digits
• Adding three single, double and triple digits
• Using the "Little Friend" and "Big Friend" to add numbers on the abacus
• Visualizing addition on the abacus
• Abacus and visualization addition exercises

Unit 3: Subtraction within the range of 1000
• Applying subtraction in solving simple real-life problems
• Subtracting between two single digit numbers
• Subtracting a single digit from a two digit number
• Subtracting between two double digit numbers
• Subtracting a single and double digit number from a triple digit number
• Subtracting between two triple digit numbers
• Subtracting with three single, double, and triple digit numbers
• Using the "Little Friend" and "Big Friend" to subtract numbers on the abacus
• Visualizing subtractions on the abacus
• Abacus and visualization subtraction exercises

Unit 4: Combination of Addition and Subtraction within 1000
• Introducing simple real-life problems that involve mixed operation of addition and subtraction
• Performing calculations of mixed operation using the abacus for single, double, and triple digit numbers
• Visualizing bead movements to perform mixed operations
• Applying the "Little Friend" and the "Big Friend" to solve problems on the abacus
• Abacus and visualization exercises

Unit 5: Multiplication of basic facts within the 2, 3, 4, and 5 times-tables
• Introducing the concept of multiplication with simple real-life problems
• Recognizing multiplication as repeated addition
• Grouping up to nine groups of 2, 3, 4, and 5 to make up the times-table
• Representing multiplication on the abacus
• Visualizing the products of multiplication
• Introducing the standard written method for multiplication
• Multiplication exercises
• Solving multiplication problems step by step

Unit 6: Division within 2, 3, 4, and 5 times-tables
• Introducing the concept of division with simple real-life problems
• Recognizing division as an act of grouping and/or sharing
• Recognizing the relationship between division and multiplication
• Solving division problems step by step
• Introducing the standard written method for division
• Representing division on the abacus • Division exercises
• Multiplication and division tables for numbers 2, 3, 4, and 5

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