DOUBLES WORD PROBLEMS
Double facts are nothing additions in which a number is added to itself.
For example,
1 + 1, 2 + 2
Internalizing double facts are helpful building blocks in developing fluency in adding single digit numbers.
Problems
Problem 1 :
David has 10 candies. Daniel has the double of what David has. How many candies does Daniel have ?
Solution :
No. of candies that Daniel has = Double of what David has
= 10 + 10
= 20
So, Daniel has 20 candies.
Problem 2 :
John has 12 cookies. Jose has the double of what John has. How many candies does Daniel have ?
Solution :
No. of candies that Jose has = Double of what John has
= 12 + 12
= 24
So, Jose has 24 cookies.
Problem 3 :
Allen has 12 boxes of cookies. Lily has 4 more than the double of Allen has.How many boxes does Lily have ?
Solution :
No. of boxes that Lily has = 4 more than the double of what Allen has
= 12 + 12 + 4
= 28
So, Lily has 28 cookies.
Problem 4 :
Joshua traveled 8 miles and Peter traveled the double of Joshua. How many miles did Peter travel ?
Solution :
No. of miles that Peter traveled = Double of Joshua traveled
= 8 + 8
= 16
So, Peter traveled 16 miles.
Problem 5 :
Ethan has 4 pizzas boxes of cookies. Antony has 2 less than the double of what Ethan has.
Solution :
No. of pizzas = 2 less than the double of what Ethan has
= 4 + 4 - 2
= 6
So, Antony has 6 boxes of cookies.
Problem 6 :
Ryan traveled 8 miles and James traveled 3 miles more than the double of Ryan. How many miles did James travel ?
Solution :
No. of miles that James traveled = 3 miles more than the double of James
= 8 + 8 + 3
= 19
So, James traveled 19 miles.
Problem 7 :
Jonathan has 12 pencils. Samuel has 7 less than the double of Jonathan has. How many pencils does Samuel have ?
Solution :
No. of candies that Samuel has = Double of what Jonathan has
= 12 + 12 - 7
= 24 - 7
= 17
So, Samuel has has 17 pencils.
Problem 8 :
Dylan is 7 years old. Benjamin's age is 3 years more than the double of Dylan's age. Find the age of Benjamin.
Solution :
Age of Benjamin = 3 years more than the double of Dylan's age
= 7 + 7 + 3
= 17
So, Benjamin's age is 17 years.
Problem 9 :
Logan has $13. Brandon has $7 less than the double of Logan has. How much money does Brandon have ?
Solution :
Money that Brandon has = $7 less than the double of Logan has
= 13 + 13 - 7
= 26 - 7
= 19
So, Brandon has $19.
Problem 10 :
In a game Jackson has scored 15 points. Luke has scored 14 points less than the double of Jackson. Who is the winner ?
Solution :
Points scored by Jackson = 15 -----(1)
Points scored by Luke = 12 points less than the double of Jackson
= 15 + 15 - 14
= 30 - 14
= 16 -----(2)
Comparing (1) and (2), Luke has scored more points than Jackson.
So, Luke is the winner.
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You can also visit the following web pages on different stuff in math.
WORD PROBLEMS
Word problems on simple equations
Word problems on linear equations
Word problems on quadratic equations
Area and perimeter word problems
Word problems on direct variation and inverse variation
Word problems on comparing rates
Converting customary units word problems
Converting metric units word problems
Word problems on simple interest
Word problems on compound interest
Word problems on types of angles
Complementary and supplementary angles word problems
Trigonometry word problems
Markup and markdown word problems
Word problems on mixed fractrions
One step equation word problems
Linear inequalities word problems
Ratio and proportion word problems
Word problems on sets and venn diagrams
Pythagorean theorem word problems
Percent of a number word problems
Word problems on constant speed
Word problems on average speed
Word problems on sum of the angles of a triangle is 180 degree
OTHER TOPICS
Time, speed and distance shortcuts
Ratio and proportion shortcuts
Domain and range of rational functions
Domain and range of rational functions with holes
Graphing rational functions with holes
Converting repeating decimals in to fractions
Decimal representation of rational numbers
Finding square root using long division
L.C.M method to solve time and work problems
Translating the word problems in to algebraic expressions
Remainder when 2 power 256 is divided by 17
Remainder when 17 power 23 is divided by 16
Sum of all three digit numbers divisible by 6
Sum of all three digit numbers divisible by 7
Sum of all three digit numbers divisible by 8
Sum of all three digit numbers formed using 1, 3, 4
Sum of all three four digit numbers formed with non zero digits
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