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What Are Doubles?
Doubles are when you add a number to itself: 1+1=2, 2+2=4, 3+3=6, 4+4=8, 5+5=10. Memorize these — they are your math superpowers!
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Mathematics — Addition Strategies
Doubles are when you add a number to itself: 1+1=2, 2+2=4, 3+3=6, 4+4=8, 5+5=10. Memorize these — they are your math superpowers!