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Solve.

CARDS Ricko bought 5 baseball cards. The first card cost $3. Each additional card cost $2 more than the previous baseball card. How much did Ricko spend on baseball cards in all?

Understand Read the problem. Write what you know.

The first baseball card costs $3.

Each additional card costs $2 more than the previous card.

Ricko bought 5 cards.

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Plan Pick a strategy. One strategy is to make a table. Label the rows Card and Cost.

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Solve One card costs $3. The cost increases by $2 for each additional card.

The rule is add 2.

To find the total cost, add the cost of each baseball card.

$3 + $5 + $7 + $9 + $11 = $35Card 1 Card 2 Card 3 Card 4 Card 5 Total

Ricko spent $35 on baseball cards.

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Check Does your answer make sense?