Multiplication questions that require a method that goes beyond memorization of number facts. This is generally done using a written algorithm.

• ### Multiply and Divide by 10, 100, 1000 [PowerPoint TBM601]

47 slides. Multiplying and dividing by 10, 100 and 1000 including number with decimals. Interactive PowerPoint Think Bubble Math 601

• ### Number Slide

1 p. Template to construct a number slide with 10 places millions to thousandths. Accompnaies “Multiply and Divide by 10, 100, 1000” [PowerPoint TBM601]

• ### Doubling, Halving 2 Digit Numbers Mentally [PowerPoint TBM501]

48 slides. Strategies nad priactice for mentally doubling and halving 2-digit numbers, x10 and dividing by 10, extending to x20 and dividing by 20. Interactive PowerPoint Think Bubble Math 501

• ### Doubling, Halving 2 Digit Numbers Extended

4pp. Doubling and halving 2-digit numbers, x10 and dividing by 10, extending to x20 and dividing by 20. Use with “Doubling, Halving 2 Digit Numbers Mentally” [PowerPoint TBM501]

• ### Doubling, Halving 3 Digit Numbers Mentally [PowerPoint TBM603]

40 slides. Mentally doubling and halving 3 digit numbers, extending to x20 and dividing by 20. Interactive PowerPoint Think Bubble Math 603

• ### Doubling, Halving 3 Digit Numbers Extended

4pp. Doubling and halving 3-digit numbers, extending to x20, 200, 2000 and dividing by 20, 200, 2000. Use with “Doubling, Halving 3 Digit Numbers Mentally” [PowerPoint TBM603]

• ### Introduction to the Concept of Multiplication

Oral and hands-on activities for introducing the concept of multiplication as “groups of”. Worksheets reinforce verbal activities.

• ### Multiplication as Groups of; Written Form

Introduction to the written form of “x” as multiplication. Hands-on activities and reinforment worksheets are included.

• ### Multiplication as Arrays; Turnaround Related Facts

The array arrangement is used in hands-on activities to teach multiplication turnaround facts. Worksheets reinforce activities.

• ### Multiplication Facts Vertical & Horizontal

Multiplication Facts Vertical & Horizontal

• ### Multiplication: 2 Digit x 1 Digit No Regrouping

Multiplication: 2-Digit x 1-Digit No Regrouping. Examples laid out in both vertical and horizontal versions; students need to write vertically to use the conventional written algorithm.

• ### Multiplication: 2 Digit x 1 Digit Regrouping

Multiplication: 2-Digit x 1-digit with regrouping. Examples laid out in both vertical and horizontal versions; students need to write vertically to use the conventional written algorithm.

• ### Multiplication: 3 Digit x 1 Digit Regrouping

Multiplication: 3-Digit x 1-digit with regrouping. Examples laid out in both vertical and horizontal versions; students need to write vertically to use the conventional written algorithm.

• ### Multiplication: 2 Digit x 2 Digit Regrouping

Multiplication: 2-Digit x 2-digit with regrouping. Examples laid out in both vertical and horizontal versions; students need to write vertically to use the conventional written algorithm.

• ### Multiplication: 3 Digit x 2 Digit Regrouping

Multiplication: 3-Digit x 2-digit with regrouping. Examples laid out in both vertical and horizontal versions; students need to write vertically to use the conventional written algorithm.

• ### Multiplication: 4 Digit x 2 Digit Regrouping

Multiplication: 4-Digit x 2-digit with regrouping. Examples laid out in both vertical and horizontal versions; students need to write vertically to use the conventional written algorithm.

• ### Multiplication: 3 Digit x 3 Digit Regrouping

Multiplication: 3-Digit x 3-digit with regrouping. Examples laid out in both vertical and horizontal versions; students need to write vertically to use the conventional written algorithm.

• ### Multiplication: 4 Digit or More Regrouping

Multiplication: 4 or more digits with regrouping. Examples laid out in both vertical and horizontal versions; students need to write vertically to use the conventional written algorithm.

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### Multiplication Advanced: Multiply Whole by Tenths

Tutorial-style worksheets to explain to students what is happening when a whole number is multiplied by a tenth. Contains practice examples.

• ### Multiplication Advanced: Multiply Tenths by Tenths

Tutorial-style worksheets to explain to students what is happening when tenths are multiplied by tenths. Contains practice examples.

• ### Multiplication Advanced: Multiply Wholes & Tenths by Tenths

Tutorial-style worksheets to explain to students what is happening when whole numbers and tenths are multiplied by tenths. Contains practice examples.

• ### Multiplication Advanced: Multiply Tenths by Hundredths

Tutorial-style worksheets to explain to students what is happening when tenths are multiplied by hundredths. Contains practice examples.

• ### Multiplication Advanced: Multiply Hundredths by Hundredths

Tutorial-style worksheets to explain to students what is happening when hundredths are multiplied by tenths. Contains practice examples.

• ### Multiplication Advanced: Poster Set Multiply Decimals by Decimals

Poster set: Pictorial representation of what happens when wholes and decimals are multiplied. Resize as desired, print and laminate.

• ### Mental Strategies: Teaching Strategies

Teacher notes: Strategies for the mental calculation of various mathematical questions.

• ### Mental Strategies: x by powers of 10

Multiplying by 10, 100 or 1000. Includes examples with decimals.

• ### Mental Strategies: 2x 2 Digit Numbers

Doubling 2 digit numbers mentally.

• ### Mental Strategies: 2x 3 Digit Numbers

Doubling 3 digit numbers mentally.

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### Mental Strategies: 5x Large Numbers

Multiplying large numbers by 5. First multiply by 10, then halve it.

• ### Mental Strategies: 50x

Multiply large numbers by 50. First x100, then halve it.

• ### Mental Strategies: 25x

Multiply large numbers by 25. First x100, then quarter it.

• ### Mental Strategies: Revision

Revise all mental strategies in the series.

• ### Mental Strategies: Assessment

Set of 5 assessment tests to check on how students are progressing with each of the units in the Mental Strategies series of worksheets.

• ### Mental Strategies: Homework

Set of 10 homework sheets to match each of the sets in the Mental Strategies series. Contains information for parents.

• ### All Operations Advanced Revision: Mult & Div without Brackets

Order of operations with multiplication and division number facts, without brackets or parentheses. Also includes all operations number fact revision.

• ### All Operations Advanced Revision: Mult & Div with Brackets

Order of operations with multiplication and division number facts, with brackets or parentheses. Also includes all operations number fact revision.

• ### All Operations Advanced Revision: All with Brackets

Order of operations with all operations, with brackets or parentheses. Also includes all operations number fact revision.

• ### All Operations Advanced Revision: All with Multiple Brackets

Order of operations with all operations, with multiple brackets or parentheses. Also includes all operations number fact revision.

• ### All Operations Advanced Revision: Mult & Dividing by Powers of 10

Multiplying and dividing by powers of 10. Also includes all operations number fact revision.

• ### Teaching Strategies – Model Simple Problems

Notes on how to model problem solving and to write the number sentence.

• ### Teaching Strategies – Writing Number Sentences

Notes on how to model problem solving and to write the number sentence.

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### Number Slide Quick Start Guide

5pp. Features and functions of the Number Slide Gadget: Multiply and divide numbers by powers of ten, with and without decimals.

• ### Number Slide Gadget Use

12pp.Sequence of lesson plans for the Number Slide Gadget.

• ### Number Slide x 10 100 1000

11pp. Introduce x10 extending to x100 and 1000 including examples without and with decimals. Create and use own number slide, then use the Gadget. Includes lesson plans, templates and worksheets.

• ### Number Slide Decimal x 0.1, 0.01, 0.001

10pp. Introduce x0.1 extending to x0.01 and 0.001.Use the Gadget to explore multiplying by a decimal. Includes lesson plans and worksheets.

• ### Easter Colouring In – The Cross (Four Operations)

Page revises all four operations in a fun colouring-in activity.

• ### Easter Colouring In – Egg Hider (Four Operations)

Page revises all four operations in a fun colouring-in activity.

• ### ANZAC Colouring In – Simpson & Donkey (Four Operations)

Page revises all four operations in a fun colouring-in activity.