Use knowledge of addition facts within 10 to add within 20
Lesson 2 / 10
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Lesson outcome
I can use knowledge of addition facts within 10 to add within 20
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Addition facts within ten can be applied to addition within 20, e.g. if 3 + 2 is equal to 5 then 13 + 2 is equal to 15
A number line can be used to show the link between addition of one-digit numbers and teen numbers
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