Lecture 1 - Addition And Subtraction Flashcards

1
Q

Definition of mathematics

A

A universal language using symbols about patterns and relationships.

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2
Q

What is numeracy

A

Mathematics in context

Mathematics is what teachers teach and students develop numeracy based on this

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3
Q

6 sub strands for number and algebra on Aus Curriculum

A
Number and place value
Fractions and decimals
Real numbers
Money and financial mathematics 
Patterns and algebra 
Linear and non linear relationships
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4
Q

4 levels of mathematics language?

A

Children’s (student’s) language
Materials language
Symbolic language

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5
Q

What is a concept?

Skill?

Strategy?

A

A concept is a metacognitive understanding or the picture formed in your head about an object or word.

A skill is the ability to process the concept and obtain an accurate result (actually completing the sum).

A strategy is the way of processing information efficiently and effectively (the way you complete the sum).

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6
Q

What is addition?

A

Adding a part to another part to obtain a whole.

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7
Q

What are some ways of modelling addition/subtraction?

A

Mab’s

Number line

Bundling sticks (addition)

Teddy’s

Counters

Use of symbols

Tens chart

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8
Q

What are some addition strategies?

A

Count on for 1, 2 and 3

Use of doubles

Use of 10 (adding numbers 8&9)

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9
Q

What is subtraction?

A

Starting with a whole, taking a part away and getting a new answer.

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10
Q

What are the three different types of subtraction? And a number sentence for each?

A

Take away:
I had 5 lollies and I ate 2, how many do I have left?

Difference or comparison:
I have 5 lollies and you have 10 lollies. How many more lollies do you have than me?

Missing addend:
I have 3 lollies but I need 7 for all my friends. How many lollies do I need?

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11
Q

Strategies for subtraction?

A

Think addition

Use the three addition strategies in reverse
- count back for 0, 1, 2 and 3 (when taking those numbers off) eg. 8-2, 10-3, 114-1 etc.

Use halves

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