Curated OER
Adding and Subtracting: Examples
If you'd like to show learners a variety of ways to solve addition and subtraction problems, consider this slide show. It contains several examples of four-digit addition and subtraction problems that are solved several ways. Vertical...
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Non Calculator Math Quiz
Here is a quiz which does not allow calculators. Kids solve a variety of problems that range from addition and subtraction of decimal numbers to probability and perimeter. There are 24 problems to solve. As stated on the resource, this...
Curated OER
Decimals - Mid Chapter Quiz
Here is a decimals worksheet in which learners complete a quiz asking about least to greatest, standard form, sums, and more having to do with decimals. They complete eight problems.
Curated OER
Basic Addition Practice
Here is a simple presentation which will give young mathematicians practice in adding numbers together. The problems are quite simple, but this would be a good way to encourage your charges to utilize mental math.
Curated OER
20 Questions: Math Questions
Here are 20 questions just waiting for a class to complete them. Each of the problems is either subtraction or addition, under or up to 20. Learners complete each question, then exchange papers for a peer to grade. Answers are included.
Curated OER
Mr. Big Addition
Mr. Big and his big hair help first graders use counting to solve simple addition problems. As they consider each equation they are told to put the bigger number in Mr. Big's hair, then count on the rest. This is a good visual tool that...
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Decomposing Numbers Step-By-Step
Here are two addition-related exercises. However, bear in mind, the explanations are featured below each of them. Use this as an all-class warm up, revealing the explanations if and when you see fit. First, examine the four sets of...
Curated OER
Unknown Numbers in Sums and Differences
Beginners to addition and subtraction will have fun with these three word problems, which have accompanying visuals. They complete one problem with a missing difference, one with a missing sum, and a third with a missing subtrahend....
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Column Addition Rules
Expanded column addition is when a child breaks down each place value into its component numbers then adds all the sums together. Present the rules of expanded addition to help learners understand what it actually means to add multiple...
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Calculator Trick 7
Kids love calculator tricks. They can add, multiply, and divide using their basic calculator to build number sense and have fun at the same time. One trick and a full rational as to how it works makes a great morning warm up.
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Positive-Negative Charge Model For Integers
Use two different colors of bingo chips to represent positive and negative charges. Add and subtract them in a clear glass beaker to demonstrate how to add and subtract integers. This visual, along with a number line, will really help...
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Unknown Numbers in Sums and Differences - Step-by-Step Lesson
First grade mathematicians will love to monkey around with an illustrated word problem involving missing bananas. They must decide how many bananas the monkey ate by counting the remaining bananas and by counting the number Lee had and...
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Add and Subtract Equations
One of these addition number sentences is incorrect: which one is it? Beginning mathematicians examine two simple equations, circling the one that is correct. An explanation on the bottom walks them through the processing, including...
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Two-Digit Addition
In need of a few good problems for the class to solve every morning? Each of the eight slides contain six double-digit addition problems which would be perfect as a morning math warm-up, skills and drills practice, or to be completed as...
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Easy Addition
Learnes practice an alternate way of carrying when doing addition. In this addition instructional activity, everyone applies an alternate algorithm when they need to carry when adding. They work from left to right instead of starting in...
Math Salamanders Ltd.
Column Addition—4 Digits Sheet 5
Learners write out and solve 12 horizontal four-digit addition problems.
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Column Addition: Homework
Puils solve 15 column addition problems and one word problem. Houghton Mifflin text is referenced.
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Three Number Column Addition
Young math whizzes determine the s utilize the make ten strategy on several of the problems. They come up with sum of twenty addition problems involving three addends.
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Addition of Four Numbers (100 Problems)
Learnes solve 100 problems in which 4 four-digit numbers are added with regrouping. The problems are very closely spaced in small print.
Math Salamanders Ltd.
Column Addition - 4 Digits Sheet 2
Elementary schoolers add four-digit numbers together with regrouping. Students complete 15 column addition problems.
Curated OER
Addition of Four Numbers (49 Problems)
Pupils solve 49 problems in which four numbers are added with carrying. These are 2, 3, or 4 digit numbers in column addition.
Math Salamanders Ltd.
Column Addition - 5 Digits Sheet 1
Here is a column addition with a five-digit activity, in which learners add the five-digit numbers while carrying and keeping the columns aligned.
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Fun Math: Add 2 Five-Digit Numbers
Learners complete a total of 12 problems; all problems add 2 five-digit numbers. Must open page from source to view graphics.
Math Salamanders Ltd.
Column Subtraction - Money 3-digits Sheet 1
Elementary schoolers subtract 3-digit numbers representing money from each other. They complete 20 subtraction problems with decimals and regrouping.