# Subtraction Word Problems within 20 Start Unknown Think Boards

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1. The word problems in this resource deal with subtraction sums up to twenty. They are presented on Think Boards, a device that suggests different strategies to use to solve the problem. Armed with the knowledge and experience of using a variety of strategies, the children will start to make their own
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2. The 160 word problems in this bundle deal with addition and subtraction sums within twenty. There are four types of problems represented - result unknown, change unknown, start unknown and compare. They are presented on Think Boards, a great graphic organizer that outlines different strategies to us
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The word problems in this resource deal with subtraction sums up to twenty. They are all “Start Unknown” problems. They are presented on Think Boards, a device that suggests different strategies to use to solve the problem. Armed with the knowledge and experience of using a variety of strategies, the children will start to make their own decisions as to the most appropriate strategy for them to use at any one time.

Click HERE to save 20% by purchasing this resource in the Subtraction Word Problems Think Boards Bundle

You will find:

• 5 posters showing the strategies used on the Think Boards for you to print and display in the classroom
• 10 Think Boards – (2 per page) “Start Unknown” subtraction word problems – numbers to 20
• 4 Think Boards - the number sentence (equation) is provided and students must create the number story
• 2 Assessment Worksheets – each with 5 word problems.

You may also like:

Addition Think Boards - Result Unknown - Sums to 10

Addition Think Boards - Change Unknown - Sums to 10

Addition Think Boards - Start Unknown - Sums to 10

Addition Word Problems - Think Boards - Bundle

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16 pages
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