## Clocks and More Clocks

**Strand**

Measurement

##### Maths Concepts

##### Australian Curriculum: Description

“When the hall clock reads twenty minutes past four, the attick clock reads twenty-three minutes past four, the kitchen clock reads twenty-five minutes past four, and the bedroom clock reads twenty-six minutes past four, what should Mr. Higgins do? He can’t tell whichc of his clocks tells the right time. He is in for a real surprise when the Clockmaker shows him that they are all correct!”

##### Teaching ideas

Why have Mr. Higgins clocks been right since he bought a watch?

## How do you know what time it is?

**Strand**

Measurement

##### Maths Concepts

##### Australian Curriculum: Description

This book tells the story of time. From the earliest ‘clocks’ devised by Egyptians to moon cycles, solar calendars, Roman calendars, tme zones and time travel.

##### Teaching ideas

Used for a unit starter. Many fertile questions can be derived from this book. Test the accuracy of the ancient Egyptian 'stick-clock' system.

## Maths Curse

**Strand**

Measurement

##### Maths Concepts

##### Australian Curriculum: Description

3-Tell time to the minute and investigate the relationship between units of time (ACMMG062); 4-Investigate equivalent fractions used in contexts (ACMNA077); 5-Choose appropriate units of measurement for length, area, volume, capacity and mass; 6-Continue and create sequences involving whole numbers, fractions and decimals. Describe the rule used to create the sequence (ACMNA133)

##### Teaching ideas

There are lots of concepts explored in this book that could be extrapolated and explored further; (1) time, (2) timelines; (3) multistep problems; (4) conversions between units; (5) fractions; (6) cross KLA references; (7) charts, (8) binary, (9) Fibonacci; (10) money

## One Thing : featuring Charlie and Lola

**Strand**

Number

##### Maths Concepts

##### Australian Curriculum: Description

F.Y-Connect number names, numerals and quantities, including zero, initially up to 10 and then beyond (ACMNA002); Yr1-Represent and solve simple addition and subtraction problems using a range of strategies including counting on, partitioning and rearranging parts (ACMNA015); Yr2-Explore the connection between addition and subtraction (ACMNA029); Yr3-Recognise, model, represent and order numbers to at least 10 000 (ACMNA052); Yr3-Tell time to the minute and investigate the relationship between units of time (ACMMG062); Yr4-Recognise, represent and order numbers to at least tens of thousands (ACMNA072); Yr5-Convert between units of time (ACMMG085); Yr6-Select and apply efficient mental and written strategies and appropriate digital technologies to solve problems involving all four operations with whole numbers (ACMNA123)