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Most people who multiply mentally are using some form of the distributive property. If you wanted to do something like 47 x 5 in your head, that's (40 x 5) + (7 x 5) = 200 + 35 = 235
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How can the associative property of multiplication be used to compute 14 x 2 x 50 mentally?
Do the 2 x 50 first. Get 100. Multiply that by 14.
How can you mentally multiply a decimal number by 100?
Move the decimal point two spaces to the right.
How can you multiply numbers by eleven mentally?
Multiply by ten and add one of the number. 7 x 11 = 70 + 7 23 x 11 = 230 + 23 = 253.
What strategies can be used to divide whole numbers?
mentally solve whole number multiplication and division problems using: ... Dividing by 8 is like dividing by 2 then 2 then 2 so half 136 is 68 and half 68 is 34 and ... The following questions can be used to elicit discussion about the strategy
What are the patterns and properties to compute mentally for 120 times 30?
The patterns and properties to compute mentally 120 times 30 is the numbers 12 and 3 plus the two 0. Multiply 12 by 3 (36) and add the two 0 (3600).
What is a expression that can be used to multiply 6 times 198 mentally?
Ooop
Which strategy can be used to multiply 6 198 mentally?
Assuming you meant 6 x 198... Do a mental sum for 6 x 200 (1200) then subtract 6 x 2 (12) to give you 1188.
What are the 2 ways to multiply?
You can do lattice, or do it mentally
How can the associative property of multiplication be used to compute 14 x 2 x 50 mentally?
Do the 2 x 50 first. Get 100. Multiply that by 14.
How can you mentally multiply a decimal number by 100?
Move the decimal point two spaces to the right.
What is an exspession that can be used mentally to multiply 6 times 198?
198 = (200 - 2) so use 6*200 - 6*2
How do you mentally find the square of a number?
Multiply the number by itself: 2x2=4, 3x3=9 and so on.
How can you multiply numbers by eleven mentally?
Multiply by ten and add one of the number. 7 x 11 = 70 + 7 23 x 11 = 230 + 23 = 253.
What is a sentence for strategy?
Ramone had a well-researched strategy. Having a strategy is important. Ted used a time-tested strategy. The strategy is to stay on course.
Which kind of strategy is used when an organization simultaneously employs different strategies for different organizational units?
de-centralized strategy
How do you change 300m to cm?
You need to multiply 300m by 100cm since there are 100cm in a meter. You should be able to solve that mentally.
43 the military strategy used in the invasion of Poland was?
The Blitzkrieg Strategy.
