*Algebra concepts that pupils can work on here include: With Math Games, students can work at a suitable level for their individual abilities, in a format that’s simple to use and lots of fun to engage with!*They can also use our digital textbook, game applications or PDF worksheets.

This problem illustrates the process of unit conversion; a year is the same as 525,600 minutes even though 1 ≠ 525,600.

Bill takes a trip in which he drives a third of the time at 30 miles per hour, a third of the time at 50 miles per hour, and a third of the time at 70 miles per hour.

For instance, we can talk about 1 banana, 1 meter, 1 liter, 1 mile per hour, 1 ton, or a limitless variety of other things.

Units act in many ways like multiplicative constants: they multiply and divide like any other factor, and they can cancel each other out when they are the same.

First, we'll review a few basic steps that will help you solve word problems.

At this point, the mathematical aspects of word problems shouldn't pose much difficulty for you. This is the critical step: translation of the information that you get from the problem into math. Take the results of step 5 and use the algebra skills you've learned to solve the problem. Look at your final answer and ask yourself if it makes sense.Let's look at a couple quick examples (note that although these examples use plural and singular units for ease of reading, whether a unit is written in its plural or singular form has no bearing on the meaning or the math): This second example is actually a case of identity, because 12 inches = 1 foot. We can thus see how the presence of units has an effect on the math, but the same general principles that we have studied still hold. Let's multiply by factors with corresponding units that convert from years to seconds as follows.(Again, note that we are actually multiplying in each case by 1 because of the relationship of the units.) Thus, 1 year = 525,600 minutes, or (alternatively) there are 525,600 minutes in a year.Check to see if the number is reasonable (for example, your average automobile can't be expected to go 1,000,000 miles per hour! Before we look at a few example problems, we need to first consider the use of units and unit analysis.Units are simply identifiers that describe what a number is quantifying.However, after several months of getting nothing but positive feedback, and finding it invaluable when helping my then 15-year-old to do his math homework, I decided to give the calculator its very own page. Now you can bookmark and access this online problem solver directly anytime you need to check your (child's) work when solving basic math, algebra, pre-algebra, trigonometry, calculus, precalculus, statistics, or chemistry equations. icon (appears after clicking the paper airplane icon) you will be taken to the author's site where you can subscribe to the premium, step-by-step solution version (.99 per month, but you can cancel at any time).Note that I do receive referral commissions on subscriptions.The main difficulty is translation of the details of the word problem into the kinds of mathematical expressions that you have learned to handle. This step may seem obvious, but you will save yourself much time and difficulty if you take some time to carefully read what the problem says. A word problem may provide you with enough details to calculate all sorts of parameters, but the problem probably will only be asking for one or two. You don't need to be an artist to do this-just draw something that you can understand and that helps you organize your thoughts about the problem. The mathematical expressions that you glean from the word problem will involve an unknown value (or values) at some point (one of which may be the result from step 2 above); try to identify what this value is and assign it a variable symbol. Problems from the real world involve units, and you need to keep track of them. If you have carefully performed the preceding steps, you should be in good shape to write the correct expressions. The result should be a solution that fulfills the requirement you wrote down in step 2 (that is, whatever the problem is asking for). Does the problem ask for a speed but you've ended up with units of acceleration in your answer?Here are some steps that will help you organize the process of translating from words to mathematical expressions that you can solve. You may not be able to visualize all the details, but you should gain a mental picture of what is generally being discussed. Thus, figure out what you are trying to find and write it down. If the problem involves a moving automobile, for instance, you don't need to draw a professional rendition when a box or something similar (even marked "car" if necessary) will do. Write down this assignment for reference as you solve the problem (for instance, " = the velocity of the car"). You've probably gone astray somewhere along the line.So if you do end up subscribing to the Premium version (which in my albeit biased opinion, is an amazing product), I sincerely thank you for helping me to pay for the creation, maintenance, and upgrading of this website.-- Dan is currently selected in the "Data" tab, this line will list the name you gave to that data record.

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