lesson
Adding Doubles Within 20
Recall and calculate doubles of numbers up to 10 (e.g. 6 + 6 = 12, 7 + 7 = 14).

Recall and calculate doubles of numbers up to 10 (e.g. 6 + 6 = 12, 7 + 7 = 14).
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1st Grade · Math · UK National Curriculum
10 lessons
Read, write, and interpret addition statements, adding one-digit and two-digit numbers to 20 including zero.