Describe patterns with numbers and identify missing elements (ACMNA035)

 

• describe a number pattern in words, eg 'It goes up by threes'

• determine a missing number in a number pattern, eg 3, 7, 11, __, 19, 23, 27

     *describe how the missing number in a number pattern was determined (Communicating, Reasoning)

    * check solutions when determining missing numbers in number patterns by repeating the process (Reasoning)

 

IXL Counting and Number Patterns

Find Missing Numbers – scroll down for activity

Pan Balance - can input the operations

to create number sentences

 

 

 

Top Marks Ordering –

own numbers (can create patterns for discussion)

 

 

Counter Square (to create patterns)

Pattern Chomper

Fairy Fog Patterns

Balloon Pop Patterns

 

 

 

Solve problems by using number sentences for addition or subtraction (ACMNA036)

 

• complete number sentences involving one operation of addition or subtraction by calculating the missing number, eg

    * make connections between addition and related subtraction facts to at least 20 (Reasoning)

    * describe how a missing number in a number sentence was calculated (Communicating, Reasoning)

• solve problems involving addition or subtraction by using number sentences

    * represent a word problem as a number sentence (Communicating, Problem Solving)

    * pose a word problem to represent a number sentence (Communicating, Problem Solving)

 

Missing Numbers

Little Animals

Funky Mummy 2

Write the Addition Sentence

Write the Subtraction Sentence

Thinking Blocks +/- Word Problems

Skip Counting Word Problems

Syvum Word Problem Database

Math Playground Word Problem Database

Investigations (not interactive,

but good range of open ended problems)