How do you perform multiplication of 2-digit numbers by 2-digit numbers word problems
How do you perform multiplication of 2-digit numbers by 2-digit numbers word problems is a unique guide with fun tips used to offer 4th graders genuine multiplication word problems skills.
In this amazing resource, we will analyze and take care of all four characteristics needed when solving basic to complex word problems, namely: verbal skills, arithmetic skills, conceptual skills, and general reasoning skills simultaneously.
So, while your kids work with this in mind, they can use the skills above to master all the techniques needed to perform multiplication of 2-digit numbers by 2-digit numbers word problems.
Steps on how to multiply 2-digit numbers by 2-digit numbers word problems
Found in this outstanding guide are straightforward steps on how to multiply 2-digit numbers by 2-digit numbers word problems.
With these remarkable steps, we hope to upgrade and encourage fourth graders to acquire the necessary skills they need. Such skills will provide them with the best solution guide to accurately perform multiplication of 2-digit numbers by 2-digit numbers word problems, especially as they continue using all the four characteristics of math operations mentioned above.
To further make these unique steps easy for young learners, we will include real-world applications to show kids how these techniques work.
Step 1: IDENTIFY THE PROBLEM
To identify the problem, begin by reading the word problem carefully to know what the problem wants you to solve. While reading, you can do this by looking out for significant numbers and keywords in the word problem.
That is to say, if a word problem requires you to perform a multiplication operation, you will come across one of the following keywords in the word problem: - times, multiplied by, product, product of, factor, of, multiply, times, multiple, double, triple, groups, by, twice, area, equal groups, every, in all, total, increased by, as much, each, lots of, groups of, per, etc.
Note: One key Element for learners to understand is that they should not always rely on keywords alone. That is to say; the same keyword can have different meanings in different word problems.
For this reason, we reiterate on the importance of reading the question very carefully to understand the situation that the word problem is describing, then figure out exactly which operation to use
Step 2: STRATEGIZE OR GATHER RELEVANT INFORMATION
How will you solve or tackle the problem?
Before we go further, note that each word problem may require a different format. Hence, the key points below will help young math learners to tackle any format however it comes.
- From the keyword(s) in the word problem, you can determine if you need to perform a Multiplication Operation.
- Know that you must not depend only on keywords. Also, try to understand the situation that the problem is describing.
- So, after knowing the operation you will perform, create short sentences to represent the given word problem.
Step 3: CREATE THE EQUATION
Moving on to this step, we will write down a numerical equation representing the information given in the word problem.
Step 4: PROVIDE A SOLUTION
From step 3 above, multiply the numbers using regrouping or other multiplication methods like long multiplication, grid multiplication, or lattice to determine the result. Remember always to add the unit of measurement to your final answer.
Step 5: CHECK YOUR WORK
Finally, check if your answer makes sense. Do this by estimating your final answer to see if it is close to what you expected. However, if the answer is not what you expected, go back to step one and start all over again.
Examples on how to multiply 2-digit numbers by 2-digit numbers word problems
Example One
Step 1: After carefully reading the problem, the important numbers you'll come across are 15 and 12. Also, the keyword that you'll find in the problem is "how many" and "times."
Step 2:Now, how are you going to tackle the problem? As you can see, the situation that the word problem describes and the keywords found in the word problem call for you to perform a multiplication operation.
Following this, construct short sentences to represent the given word problem.
- Number of white roses that he picked = 15
- Number of red roses that he picked as compared to white roses = twelve times more red roses than white roses
- Therefore, the number of red roses = the number of white roses that he picked × the number of red roses that he picked compared to white roses.
Step 3:Here, write down a numerical equation to represent the bolded sentence in step 2 above to solve this word problem:
15 × 12 = ?
Step 4: From step 3 above, multiply the numbers using regrouping or other multiplication methods like long multiplication, grid multiplication, and lattice to determine the result. Always add the unit of measurement to your final answer.
Using the long multiplication method, we have
So, he picked 180 red roses
Step 5:Last but not the least, check if your answer makes sense. For example, estimate the answer and see if it is close to what you expected. But, if the answer is not what you expected, go back to step one and start all over again.
Example Two
Step 1: As you begin, read the problem very well. After doing this, you'll see that the important numbers here are 12 and 11. Also, the most important keyword(s) found in the word problem is "how many" and "per."
Step 2: Now, how will you tackle the problem? The situation that the problem is describing and the keyword found in the word problem imply that you have to perform a multiplication operation.
So, after knowing the operation you will perform, form short sentences to represent the given word problem.
- Number of miles they walked per hour = 11
- Number of hours they walked = 12
- Therefore, the number of miles they walked in 12 hours = the number of hours they walked × the number of miles they walked per hour.
Step 3:Then, write down a numerical equation to represent the first bolded statement in step 2 above to be able to solve this word problem:
12 × 11 = ?
Step 4:From step 3 above, multiply the numbers using regrouping or other multiplication methods like long multiplication, grid multiplication, and lattice to determine the final result. Always recall adding the unit of measurement to the final result.
Using the long multiplication method, we have
So, they walked 132 miles in 12 hours
Step 5: Lastly, check if your answer makes sense. For example, estimate the answer and see if it is close to what you expected. However, if the answer is not what you expected, go back to step one and start all over again.
