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Master Estimating Differences: Quick Mental Math Skills

SG Primary 5 Math: Master Essential Skills

Counting

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Counting forwards

Counting Forwards — Between 2 digit numbers

Counting Forwards — Between 4 digit numbers

Counting Forwards — Between 5 digit numbers

Counting Forwards — Between negative numbers

Counting Forwards — Next Numbers — 5 Digits

Counting Forwards — Next Numbers — 4 Digits

Counting Forwards — Next Numbers — 7 Digits

Counting Forwards — Next Numbers — 6 Digits

Counting Forwards — Next Numbers — 2 Digit Negatives

Counting Forwards — Next Numbers — Up to 10

Counting Forwards — Next Numbers — Up to 100

Counting Forwards — Next Numbers — Up to 1000

Counting Forwards — Addition Statements

Counting Forwards — Addition Statements — 3 Digit Negatives

Counting Forwards — Addition Statements — 6 Digit Numbers

Counting Forwards — Addition Statements — 7 Digit Numbers

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

Counting backwards

Counting Backwards — From 5 digit numbers

Counting Backwards — From 4 digit numbers

Counting Backwards — From negative digit numbers

Counting Backwards — From 7 digit numbers

Counting Backwards — From 3 digit numbers

Counting Backwards — From 2 digit numbers

Counting Backwards — Word problem: candy jar

Representing Numbers

Cardinals

Representing Numbers — Word problem: counting from shape lists

Counting Picture Objects

Select cardinal number

Tally marks

Representing Numbers — Counting tally marks

Representing Numbers — Tally mark charts total

Counting Picture Objects with tally marks

Word names

Representing Numbers — Word names up to 3 digits

Representing Numbers — Word names up to 5 digits

Representing Numbers — Word names for fractions

Representing Numbers — Word names for mixed fractions

Representing Numbers — Word names of money amounts

Representing Numbers — Word names up to 20

Representing Numbers — Word problem: word names

Word names of 3-digit numbers

Word names of 7-digit numbers

Word names of decimals

Choice correct word names

Roman numerals

Representing Numbers — Roman numerals 1s up to 10

Representing Numbers — Roman numerals 100s up to 1000

Representing Numbers — Roman numerals 10s up to 100

Representing Numbers — Roman numerals to standard form

Representing Numbers — Word problem: roman numerals in years

Representing Numbers — Roman numerals 1's up to 10

Representing Numbers — Roman numerals 100's up to 1000

Representing Numbers — Roman numerals 10's up to 100

Representing Numbers — Roman numerals from standard form

Ordinals

Representing Numbers — Ordinal numbers in a line of animals

Representing Numbers — Ordinal numbers in months of the year

Representing Numbers — Word problem: Ordinal numbers in rankings

Using Ordinal Numbers to Describe

Select ordinal number

Patterns

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

Describing patterns using tables and solving variables

Use the rule to complete the function table:

Function Tables — Find the one-step rule (division)

Function Tables — Solve and fill with two-step rules (subtraction)

Function Tables — Solve using the one-step rule (addition)

Function Tables — Solve using the one-step rule (division)

Function Tables — Solve using the one-step rule (multiplication)

Function Tables — Solve using the one-step rule (subtraction)

Function Tables — Solve and fill with two-step rules (addition)

Function Tables — Solve and fill with two-step rules (fraction)

Function Tables — Find the one-step rule (addition)

Function Tables — Find the one-step rule (multiplication)

Function Tables — Find the one-step rule (subtraction)

Applications of solving problems using patterns  

Patterns — Word Problems

Adding and Subtracting Integers

Adding with regrouping

Representing Numbers With Blocks

Regroup the Values

Adding multi-digit numbers

Addition and Subtraction Problem — Word Problem

Addition Problem — Word Problem

Subtraction Problem — Word Problem

Multiplying and Dividing Integers

Arrays and factors

Arrays and Products

Multiplying by 10, 100, and 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

Mutiplying 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

Arithmetic Properties

Communicative property

Commutative property — Equations with 2 terms

Commutative property — Equations with 2 decimal terms

Commutative property — Equations with 3 terms

Commutative property — Equations with 3 fractions

Commutative property equations

Associative property

Associative property — Multiplication with 3 terms

Associative property — Addition with 3 terms

Associative property — Fractions with 3 terms

Associative property — Equations with 4 terms

Associative property — Grouping unlike fractions in add lists

Associative Property — Grouping multiply lists

Associative Property — Grouping decimals in multiply lists

Associative Property — Word problem: non-associative statements

Identity property

Identity Property — Additive with 0's in decimals

Primary 5 Maths

math

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