Word Problems Calculators: (19) lessons

[+]   2 number Word Problems
This calculator handles word problems in the format below:
* Two numbers have a sum of 70 and a product of 1189 What are the numbers?
* Two numbers have a sum of 70. Their difference 32


Features:  Calculator | Quiz Generator | Practice Problem Generator

Examples (2):  Two numbers have a sum of 70 and a product of 1189, Two numbers have a sum of 70. Their difference 32 what are the numbers?

Tags:  difference, product, sum, unknown, word problem
[+]   Coin Combinations
Given a selection of coins and an amount, this determines the least amount of coins needed to reach that total.

Features:  Calculator | Watch the Video

Tags:  coin, combination
[+]   Collinear Points that form Unique Lines
Solves the word problem, how many lines can be formed from (n) points no 3 of which are collinear.

Features:  Calculator | Quiz Generator | Practice Problem Generator | Watch the Video

Examples (0):  

Tags:  collinear, line, point
[+]   Consecutive Integer Word Problems
Calculates the word problem for what two consecutive integers, if summed up or multiplied together, equal a number entered.

Features:  Calculator | Quiz Generator | Practice Problem Generator | Watch the Video

Examples (2):  the product of two consecutive integers is 72, what are the numbers?, the sum of two consecutive numbers is 27, what are the numbers?

Tags:  consecutive, integer, word problem
[+]   Distance Catch Up
Calculates the amount of time that it takes for a person traveling at one speed to catch a person traveling at another speed when one person leaves at a later time.

Features:  Calculator | Practice Problem Generator

Tags:  distance, rate, time
[+]   Distance Rate and Time
Solves for distance, rate, or time in the equation d=rt based on 2 of the 3 variables being known.

Features:  Calculator | Quiz Generator | Practice Problem Generator | Watch the Video

Examples (3):  rate=5 and time=6, distance=4,time=3, rate=4.65 and distance=8

Tags:  distance, rate, time, word problem
[+]   Find two numbers word problems
Given two numbers with a sum of s where one number is n greater than another, this calculator determines both numbers.

Features:  Calculator | Quiz Generator | Practice Problem Generator

Examples (0):  
[+]   Inclusive Number Word Problems
Given an integer A and an integer B, this calculates the following inclusive word problem questions:
1) The Average of all numbers inclusive from A to B
2) The Count of all numbers inclusive from A to B
3) The Sum of all numbers inclusive from A to B

Features:  Calculator | Quiz Generator | Practice Problem Generator | Watch the Video

Examples (4):  sum of inclusive numbers 10 to 50, What is the average of all numbers from 30 to 80, Sum of inclusive numbers from 60 to 90, How many integers are there from 20 to 90

Tags:  average, count, inclusive, sum, word problem
[+]   Map Scale
[+]   Markup Markdown
Given the 3 items of a markup word problem, cost, markup percentage, and sale price, this solves for any one of the three given two of the items.

Features:  Calculator | Quiz Generator | Practice Problem Generator | Watch the Video

Examples (3):  John pays a wholesaler $50 for a slab of concrete, and then sells it to a real estate developer for $75. What is the markup rate?, 25.28+35%, 250 increased by 20%

Tags:  markdown, markup, word problem
[+]   Percent Off Problem
Given the 3 items of a percent word problem, Reduced Price, percent off, and full price, this solves for any one of the three given two of the items.

Features:  Calculator | Quiz Generator | Practice Problem Generator | Watch the Video

Examples (4):  50% off 90, 35 percent off 80, 45.80 - 22.5%, 200 decreased by 40%

Tags:  percent, price, sale
[+]   Percentage of the Pie Word Problem
This takes two or three fractions of ownership in some good or object, and figures out what remaining fraction is left over.

Features:  Calculator

Examples (1):  A parent died and left an estate to four children. one inherited 4/9 of the estate, the second inherited 7/81 and the third inherited 10/27 how much did the fouth inherit?

Tags:  fraction, percent, pie
[+]   Rebound Ratio
Calculates a total downward distance traveled given an initial height of a drop and a rebound ratio percentage

Features:  Calculator | Practice Problem Generator | Watch the Video

Tags:  distance, percentage, ratio
[+]   Solution Mixture
Determines a necessary amount of a Solution given two solution percentages and 1 solution amount.

Features:  Calculator | Practice Problem Generator

Examples (1):  how much pure acid should be added to 18 L of 30% acid to increase the concentration of 50% acid?

Tags:  mixture, solution
[+]   Sum of the First (n) Numbers
Determines the sum of the first (n)
* Whole Numbers
* Natural Numbers
* Even Numbers
* Odd Numbers
* Square Numbers
* Cube Numbers
* Fourth Power Numbers

Features:  Calculator | Quiz Generator | Practice Problem Generator | Watch the Video

Examples (5):  sum of the first 9 natural numbers, what is the sum of the first 10 cube numbers, show sum of the first 10 square numbers, sum first 15 even numbers, sum first 18 odd numbers

Tags:  shortcut sums, sum of integers
[+]   Sun Shadow
This solves for various components and scenarios of the sun shadow problem

Features:  Calculator

Tags:  angle, shadow
[+]   Two Coin Word Problems
This word problem lesson solves for a quantity of two coins totaling a certain value

Features:  Calculator | Practice Problem Generator

Tags:  coin, value
[+]   Unit Savings
A discount and savings word problem using 2 people and full prices versus discount prices.

Features:  Calculator

Tags:  discount, price, savings
[+]   Work Word Problems
Given Person or Object A doing a job in (r) units of time and Person or Object B doing a job in (s) units of time, this calculates how long it would take if they combined to do the job.

Features:  Calculator | Quiz Generator | Practice Problem Generator | Watch the Video

Tags:  word problem, work