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KOA2 Result Unknown Subtraction to 10 Story Problems, Version D

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Story Problem Collection

  • Solve addition and subtraction word problems, and add and subtract within 10, eg., by using objects or drawings to represent the problem (K.OA.A.2)
  • Connected to Standards K.OA.A.1 and K.OA.A.3

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What are some of the ways that we have learned to solve subtraction problems?

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Did you say any of these?

Draw a picture.

Use counters.

Use a number line.

Use a ten frame.

Write an equation.

7 - 3 = 4

Use a number bond.

✖ ✖

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In today’s lesson you will get to choose which strategy you will use.

Draw a picture.

Use counters.

Use a number line.

Use a ten frame.

Write an equation.

7 - 3 = 4

Use a number bond.

✖ ✖

HCPSS • Early Childhood Programs

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School Bus - Choose a strategy. Solve the problem. Show your work.

There are 10 friends on the school bus.

6 get off the school bus at the first stop.

How many friends are still on the school bus?

HCPSS • Early Childhood Programs

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Bees - Choose a strategy. Solve the problem. Show your work.

There are 9 bees sipping nectar.

2 bees fly back to the hive.

How bees are sipping nectar now?

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Penguins - Choose a strategy. Solve the problem. Show your work.

There are 8 penguins on the iceberg.

5 penguins dive into the ocean.

How penguins are left on the iceberg?

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Puppies - Choose a strategy. Solve the problem. Show your work.

7 puppies are playing.

2 puppies leave to drink some water.

How many puppies are still playing?

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Cupcakes - Choose a strategy. Solve the problem. Show your work.

6 birthday cupcakes.

4 are chocolate.

How many are vanilla?

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Brain Break

Use pattern blocks to fill the shape.

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Let’s try some more! Will you try a new strategy?

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Bubbles - Choose a strategy. Solve the problem. Show your work.

Michelle blew 7 bubbles.

Her dog spot popped 1 bubble.

How many bubbles are left?

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Gold Coins - Choose a strategy. Solve the problem. Show your work.

The pirate had 10 gold coins.

He gave 4 coins to his friend.

How many coins does he have now?

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Frogs - Choose a strategy. Solve the problem. Show your work.

8 frogs sit on lily pads.

3 frogs jump in the water.

How many forgs still on lily pads?

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Sailboats - Choose a strategy. Solve the problem. Show your work.

10 sailboats out at sea.

3 sailboats go back to shore?

How many still at sea?

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Pigs - Choose a strategy. Solve the problem. Show your work.

9 pigs play in the mud.

0 pigs in the barn.

How many are in the mud?

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Which strategy did you like the best? Why?

Draw a picture.

Use counters.

Use a number line.

Use a ten frame.

Write an equation.

7 - 3 = 4

Use a number bond.

✖ ✖

HCPSS • Early Childhood Programs