Flashcards on Algebraic Expressions and Basic Geometry

Algebraic Expressions & Basic Geometry Explained for Students

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If there are y counters in a bag and you add 1 counter, what is the algebraic expression for the new number of counters?

y + 1

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Algebraic expressions

12 cards

Card 1

Question: If there are y counters in a bag and you add 1 counter, what is the algebraic expression for the new number of counters?

Answer: y + 1

Card 2

Question: If there are y counters in a bag and you take 1 counter away, what is the algebraic expression for the remaining counters?

Answer: y - 1

Card 3

Question: If there are y counters in a bag and you add 5 counters, what expression gives the new total?

Answer: y + 5

Card 4

Question: If there are y counters in a bag and you take away 5 counters, what expression gives the remaining number?

Answer: y - 5

Card 5

Question: If there are y counters in a bag and you add 8 counters, what is the resulting expression?

Answer: y + 8

Card 6

Question: If there are y counters in a bag and you remove 8 counters, what expression represents the result?

Answer: y - 8

Card 7

Question: I think of a number n. I halve the number then add 4. Write an algebraic expression for this process.

Answer: n/2 + 4

Card 8

Question: I think of a number n. I divide by 3, then multiply the result by 2. Write the algebraic expression for this.

Answer: (2/3) n or (2n)/3

Card 9

Question: Which two algebraic expressions shown are equivalent forms of multiplying then dividing: '4·x over 3' and 'x·4 over 3'?

Answer: They are equivalent: (4·x)/3 = (x·4)/3 (both equal 4x/3).

Card 10

Question: Give an example of an expression equivalent to (2/3)x written as a fraction.

Answer: (2x)/3 or (2/3)x