SUBTRACTION WORD PROBLEMS
Think Boards – Change Unknown
The word problems in this resource deal with subtraction sums up to twenty. They are all “Change 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.
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) “Change 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.
**Please note** These subtraction word problems are available in a bundle at a reduced price. Please CLICK HERE to see the bundle.
ACMNA015, ACMNA030, ACMNA036
(Source: Australian Curriculum, Assessment and Reporting Authority (ACARA), downloaded from the Australian Curriculum website on (26/4/17).
Year 1 and 2
Digital Resource – PDF
Number of Pages
Other resources you may be interested in:
- Subtraction Word Problems – Think Boards – Result Unknown
- Subtraction Word Problems – Think Boards – Start Unknown
- Subtraction Word Problems – Think Boards – Compare
- Subtraction Word Problems – Think Boards – BUNDLE
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