Lesson 1Add three addends
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- Lesson 2
Use a 'First, then, then, now' story to add three addends
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Explain that the addends can be added in any order
1 2 1 - Lesson 4
Add three addends efficiently
1 2 1 - Lesson 5
Add three addends efficiently by finding two addends that total 10
1 2 1 - Lesson 6
Add two numbers that bridge through 10
1 2 1 - Lesson 7
Add and subtract two numbers that bridge through 10
1 2 1 - Lesson 8
Compare the number of objects in two sets or difference between two measures.
1 2 1 - Lesson 9
Calculate the difference
1 2 1 - Lesson 10
Calculate the difference in different contexts
1 2 1 - Lesson 11
Explain what the difference is between consecutive numbers
1 2 1 - Lesson 12
Calculate the difference when information is presented in a pictogram
1 2 1 - Lesson 13
Calculate the difference when information is presented in a bar chart
1 2 1 - Lesson 14
Use knowledge of calculating within 20 to solve problems
1 2 1 - Lesson 15
Use knowledge of calculating within 20 to solve problems involving statistics
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