1 of 8

Interpreting Equations

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Interpreting Equations

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2 of 8

Which is greater, x or y? Why?

y = 4 x

P-1

Interpreting Equations

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3 of 8

Which is greater, x or y? Why?

y = 4 x

P-2

x is greater because it’s multiplied by 4.

It depends what x and y are.

Interpreting Equations

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4 of 8

What is the equation? Why?

Let e be the number of eggs.

Let b be the number of egg boxes.

There are 6 eggs in each box.

Find an equation linking e and b.

P-3

Interpreting Equations

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5 of 8

What is the equation? Why?

Let e be the number of eggs.

Let b be the number of egg boxes.

There are 6 eggs in each box.

Find an equation linking e and b.

P-4

b = 6e

e = 6b

Interpreting Equations

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6 of 8

What is the equation? Why?

Let e be the cost of an egg.

Let b be the cost of a box of eggs.

The price per egg is the same whether you buy them separately or in a box.

Find an equation linking e and b.

P-5

b = 6e

e = 6b

Interpreting Equations

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7 of 8

What’s the same and what’s different?

Let e be the cost of an egg.

Let b be the cost of a box of eggs.

P-6

Let e be the number of eggs.

Let b be the number of egg boxes.

b = 6e

e = 6b

Interpreting Equations

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8 of 8

Working Together

P-7

Take turns to:�

  1. Match an equation card with a sentence.

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  • Explain your thinking to your partner.

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  • Your partner must check and challenge your explanation if he or she disagrees.

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  • Check if another card or another sentence matches as well.

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  • Continue until you have matched all the cards.

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  • Use the blank cards to write equations or sentences, so that each card is grouped with at least one other card.

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Interpreting Equations

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