Introduction to Algebraic Thinking
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Introduction to Algebraic Thinking
🔍 Part 1: Understanding Variables and Constants
Variables:
5 x 3 +Constants:
5 x 3 -Definition: A variable is ________________________________
Examples: ________________________________________
Non-examples: ___________________________________
🎯 Part 2: Identifying Variables and Constants
a) 7 + y
b) 3m - 8
c) 15 + a + 2
d) 4t + 9 - 1
e) 12 + b
📝 Part 3: Creating Algebraic Expressions
a) I have some marbles. My friend gives me 6 more marbles.
Expression: _______________
b) There are some students in the classroom. 4 students leave for music practice.
Expression: _______________
c) A packet of lollies costs some amount. I buy 3 packets.
Expression: _______________
d) My sister has some stickers. She gives away 8 stickers and then gets 5 more.
Expression: _______________
My word problem:
Algebraic expression: _______________
🧮 Part 4: Working with Simple Equations
Show your thinking:
Answer: x = _______
a) y + 8 when y = 5
Answer: _______
b) 3m when m = 4
Answer: _______
c) 15 - n when n = 6
Answer: _______
d) 2t + 1 when t = 3
Answer: _______
The expression "5 + 7" contains a variable.
True FalseExplain your answer:
💭 Part 5: Reflection
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