Lesson 1Compare the structure of problems with one or two unknowns
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- Lesson 2
Represent the structure of a problem with two unknowns in context
1 2 1 - Lesson 3
Explain why there is sometimes only one solution to a problem
1 2 1 - Lesson 4
Represent and solve problems with two unknowns efficiently
1 2 1 - Lesson 5
Use a bar model to represent spatial problems with two unknowns
1 2 1 - Lesson 6
Explain how to represent an equation with a bar model
1 2 1 - Lesson 7
Solve problems with two unknowns in a range of contexts
1 2 1 - Lesson 8
Explain how you know you have found all the possible solutions to a problem with two unknowns
1 2 1 - Lesson 9
Explain how to balance an equation with two unknowns
1 2 1 - Lesson 10
Solve problems with two unknowns with one, several and infinite solutions
1 2 1
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