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Lesson 1 Fact families - addition and subtraction bonds to 20 2019.PDF File
Lesson 1 Answers Fact families - addition and subtraction bonds to 20 2019.PDF File
Lesson 2 Compare number sentences 2019.PDF File
Lesson 2 Answers Compare number sentences 2019.PDF File
Lesson 3 Related facts 2019.PDF File
Lesson 3 Answers Related facts 2019.PDF File
Lesson 4 Add and subtract 1s.PDF File
Lesson 4 Answers Add and subtract 1s.PDF File