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Master Addition Strategies: Boost Your Mental Math Skills

SG Primary 4 Math: Master Key Concepts & Skills

Fractions

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What are fractions?

Identifying Fractions — Parts of a Whole

Identifying Fractions — Word Problem

Identifying Fractions — Equal Parts

Equivalent fractions

Equivalent Fractions

Comparing and ordering fractions 

Comparing Fractions

Ordering Fractions

Fractions of a set

Fractions of a Set — Statements

Fractions of a Set — Word Problem

Introduction to Decimals

Introduction to decimals

Name the Decimal Place Value

Decimals on number lines

Plot a Decimal on a Number Line

Drawing decimals on number lines

Reading a Point on a Number Line

Reading decimals on number lines

Common fractions and decimals

Drawing fraction on number lines

Compare and order decimals

Comparing Values

Estimating decimals

Rounding Decimals

Adding decimals

Adding Decimals Using Block Models

Subtracting decimals

Subtracting Decimals Using Block Models

Adding and Subtracting Numbers

Adding with regrouping (using base ten blocks)

Adding Numbers With Blocks (2-digits)

Adding Numbers With Blocks (3-digits)

Addition With Regrouping — Word Problems

Representing Numbers With Blocks

Regroup the Values

Adding multi-digit numbers

Adding Numbers with Regrouping (2-Digits )

Adding Numbers With Regrouping (3-Digits )

Adding Numbers With Regrouping (4-Digits )

Adding Three Mixed Numbers — Up to 9999

Sums and Differences: Word problems

Addition and Subtraction Problem — Word Problem

Addition Problem — Word Problem

Subtraction Problem — Word Problem

Addition strategies

Addition Strategies — Add By Subtraction

Addition Strategies — Counting On

Addition Strategies — Friendly Numbers

Addition Strategies — Adding On

Addition Strategies — Sums of Ten

Subtracting with regrouping

Subtracting Numbers With Blocks (2-digits)

Subtracting Numbers With Blocks (3-digits)

Subtracting multi-digit numbers

Subtracting Numbers (2-Digits)

Subtracting Numbers (3-Digits)

Subtracting Numbers (4-Digits)

Subtracting Numbers (Base Tens)

Subtracting Numbers (Mixed Digits)

Subtraction strategies

Subtract By Addition

Subtract by Counting On

Subtract by Friendly Numbers

Rounding numbers

Rounding Integers — Up to 9999

Multiplying and Dividing Numbers

Arrays and factors

Arrays and Products

Multiplying by 10, 100, 1000

Multiplying by 10, 100, 1000 — Up to 99,000

Multiplying by Multiples of 10 — Find the multiplicand of 10

Multiplying by Multiples of 10 — Find the multiplier of 10

Multiplying by Multiples of 10 — Up to 81,000,000

Multiplying multi-digit numbers

Multiplying by 1 Digit — Thousands

Multiplying by 2 Digits — Thousands

Multiplying by 3 Digits — Up to 999

Multiplying with Zeroes in the Multiplicand — Up to 9999

Multiplying with Zeroes in the Multiplicand — Up to 999

Multiplying by 2 Digits — Up to 9999

Dividing multiples of 10

Dividing by 10, 100 and 1000 — Up to 99,000

Dividing by Multiples of 10 — Up to 810,000

Dividing by Multiples of 10 — Up to 8100

Dividing by Multiples of 10 — Find the divisor

Dividing using place value

Division Using Place Value — 2 by 1 Digits

Division Using Place Value — 4 by 1 Digits

Division Using Place Value — 3 by 1 Digits

Dividing using area models

Division With Area Models

Dividing multi-digit numbers

Dividing multi-digit numbers — 1 digit easier

Dividing multi-digit numbers — 1 digit harder

Dividing multi-digit numbers — 2 digits

Products and quotients: Word problems

Division and Multiplication — Word Problem

Products and Quotients — Word Problem

Multiplication strategies

Multiplication Using a Bigger Product and Difference

Multiplication Using a Smaller Product and Sum

Relating Multiplication and Addition Concepts

Multiplication Using Two Smaller Products

Applications of the four operations

Combining Multiplication and Addition

Applying BEDMAS Without Exponents

Place Value

Whole number place values up to millions

Convert the Written Number — 3 Digits

Convert the Written Number — 6 Digits

Convert the Written Number — 8 Digits

Convert the Written Number — 4 Digits

Place Values of Large Numbers

Comparing and ordering numbers up to 1,000,000

Comparing Large Numbers

Ordering Large Numbers — Up to Millions

Comparing and ordering large multi-digit integers

Ordering Negative Integers – Up to Millions

Comparing Negative Integers

Comparing Negative Integers on a Number Line

What is an integer?

Place value

Negative numbers and opposite numbers

Comparing Integers

Comparing Numbers

Patterns

Skip counting

Skip Counting Intermittent Blanks

Skip Counting — Mixed 3 numbers

Skip Counting — Next 3 numbers

Skip Counting Next 3 Numbers

Skip Counting — By powers of 10

Skip Counting — Word Problem: candies after n days

Skip Counting Implicit Initial – Word Problem

Skip Counting Non Initial Number – Word Problem

Skip Counting Initial Number— Word Problem

Skip Counting  Intermittent Blanks

Skip Counting by Powers of 10

Skip Counting — Word Problem: counting legs

Patterns with shapes

Patterns with animals

Patterns with Shapes — Next 2 shapes

Patterns with Shapes — Word problem: paper folds

Patterns with Shapes — Next 1 animal

Number patterns

Number Patterns — Add the middle number

Number Patterns — Add the next number

Number Patterns — Divide the next number

Number Patterns — Divide the middle number

Number Patterns — Multiply the middle number

Number Patterns — Multiply the next number

Number Patterns — Subtract the middle number

Number Patterns — Subtract the next number

Showing patterns in T-tables

Patterns in T-tables Next 2 Patterns

Patterns in T-tables Ascending

T-table Patterns Ascending – Word Problem

T-table Patterns Descending – Word Problem

Patterns in T-tables Next 2 patterns

What are variables in algebra?

Writing Equations with Variables

Basics of solving equations with variables

Primary 4 Maths

math

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