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How can adding doubles help you to multiply by 2 example?
By counting by 2s
How is multiplying by 10 and dividing by 2 the same as multiplying by 5?
because there the same
How do you find 2 to the power of nine without multiplying 9 2s?
It depends on how good your mental maths is: 29 = (23)3 = 83
Why is it easier to count by 5s or 10s and 2s instead of counting by 3s or 4s?
It is only because we count in tens - and 5 10 and 2 are factors.
What is dividing by 0.5 the same as in multiplying?
1/2
How can adding doubles help you to multiply by 2 example?
By counting by 2s
Counting in 2s 16?
2, 4, 6, 8, 12, 14, 16
What is the least common multiple of counting by 2s and 3s only on a table?
2, 4, 6 3, 6 The LCM of 2 and 3 is 6.
How is multiplying by 10 and dividing by 2 the same as multiplying by 5?
because there the same
How do you find 2 to the power of nine without multiplying 9 2s?
It depends on how good your mental maths is: 29 = (23)3 = 83
Why is it easier to count by 5s or 10s and 2s instead of counting by 3s or 4s?
It is only because we count in tens - and 5 10 and 2 are factors.
Is multiplying a number by 2 is the same as halving that number?
no, dividing a number is halving it, multiplying iy by 2 is doubling it
Multiply a number by 2 to get the same as adding a?
2. multiplying 2 and 2 is the same as adding 2 and 2.
What is dividing by 0.5 the same as in multiplying?
1/2
Is doubling and doubling again is the same as multiplying by 4?
That is correct; to multiply by 2 and then multiply by 2 again is equivalent to multiplying by 4.
Is dividing a number by 2 the same as multiplying it by half?
Yes, it is!:)
Is taking ½ of a number is the same as dividing by ½?
No, taking ½ of a number is the same as dividing it by 2. Dividing a number by ½ is the same as multiplying it by 2.
