IGCSE /Grade 1
Maths MCQ Based On Add using doubles plus one
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IGCSE Grade 1 Maths Add using doubles plus one
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11 - 1 = 10 Use double fact for10
Split 4 as 3 + 1
Split 5 as 4+1 Now, 4+5 = 4 +4+1 Doubles of 4 = 8
9 - 1 =8 Use double fact for 8.
Split 6 as 1+5
17 - 1 = 16 Use double fact for 16.
Total means adding cakes
7 -1 = 6
Add same numbers to make 6.
13 - 1 = 12 Use double fact for 12
15 - 1 = 14 .
Use double fact 14.
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