Math Garde 3
posted by Hong .
How can adding doubles help you to multiply by 2 ? give an example in your explanation

3 + 3 = 2 * 3
4 + 4 = 2 * 4 
How adding help doubles help you to multiple by 2

8+8=16
2x8=16 
by we can do 19 times 2 is a big number
so its a example 
Dab

Bicth
Respond to this Question
Similar Questions

Math
could you tell me three equivalent fractions for each: 2/3 8/16 4/10 3/4 Just multiply or divide by a common number. For example, 2/3 = 4/6 = 6/9 = 8/12 = 10/15 8/16 = 4/8 = 1/2 etc. Just multiply each fraction by 3 different numbers. … 
math 1st. grade
Adding Doubles just means adding the same numberr to itself. Like 2+2=4, 3+3=6, So addind doubles to 18 would be 0+0=0, 1+1=2, 2+2=4, and so forth up to 9+9=18. Maybe this will help you solve the problem. I have a work sheet that has … 
Math
Can somebody give me a good explanation on how to find the Greatest Common Factor on a 6th7th garde level? 
Math
The problem to solve is: (x+20)(x12)(x+4)>0 but I can't figure out how to do this right so I left off the >0 and tried to solve the equation. x+20 evaluates to x+20 x12 evaluates to x12 Multiplying x+20 by x12 is a classic … 
math
how can adding doubles help you multiply by 2? 
math elementary
add. write the doubles fact used to solve each one. 0+1=1 6+7 =13 4+3=7 please explain how to use doubles plus 1 and doubles minus 1 
math ASAP
add. write the doubles fact used to solve each one. 0+1=1 6+7 =13 4+3=7 please explain how to use doubles plus 1 and doubles minus 1 
math
Explain how to find the sum positive five plus negative nineusing chips, a number line, or the rules for adding integers. Give the answer with your explanation 
MATH
Explain how to find the sum positive three plus negative eight using chips, a number line, or the rules for adding integers. Give the answer with your explanation. 
Factors
1•How can adding doubles help you to multiply by 2?