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Addition
For this addition worksheet, students solve 20, 3-digit addition math problems mentally. Students put their answers down on paper, but do not work out the problems on paper.
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Addition-Adding on Tens, Sheet 1
For this adding on tens worksheet, students add multiples of 10 to given numbers. A reference web site is given for additional activities.
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Mental Arithmetic Sets 3 and 4
For this mental arithmetic worksheet, 3rd graders answer 20 short answer questions related to place value, addition, subtraction, and skip counting.
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Roll Seven!
Roll Seven is a fun and engaging dice game that encourages the use of mental math.
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Enjoying Millions- Working with Millions
In this working with millions worksheet, 4th graders look for patterns when working with millions, and use mental math to determine a number. They add and subtract numbers from a number in the millions before using a set of clues to...
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Something's Hiding!
Second graders practice finding out how many tens and ones blocks are hidden from a given total. They mentally perform calculations involving addition and subtraction to explain the meaning of the digits in two to three digit whole numbers.
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Three-Digit Addition and Subtraction With Regrouping
Second graders access prior knowledge of addition and subtraction using two-digit numbers and calculate easily with them. In this three-digit addition instructional activity, 2nd graders learn to add and subtract three-digit numbers with...
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Addition: Two Digit Mental Addition
In this 2-digit addition activity, learners learn how to solve 2-digit math problems in their heads instead of on paper. They then solve the 20 problems on the activity. The answers are on the last page.
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Counting and Calculating
In this math worksheet, students follow the basic activities that are shown in the planning guide written for the teacher. The plan is written in the form of a unit.
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Domino Trick
In this domino trick worksheet, students solve and complete six different problems using domino's. First, they think of a domino and count the number of pips on the left side of the domino. Then, students multiply this number by 5 and...
Worksheets Plus
Place Value Worksheets - What Number Am I?
Practice place value with this resource. The 12 questions consist of riddles. For example, "I have 4 tens and 2 ones. What number am I?" This is a creative approach to thinking about double-digit numbers. Answers are available so you can...
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Compatible Numbers To Ten
Students solve both addition and subtraction facts and discover the relationship between adding and subtracting equations. Students read real life word problems, extrapolate needed information, and write equations to solve the story...
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Estimation and Computation
Second graders practice their estimation skills using blocks. In this math lesson, 2nd graders explain how estimating makes addition easier. They complete a worksheet after the lesson to reinforce new learning.
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10 More or 10 Less
Practice adding and subtracting 10 with this outer space worksheet. On the top, scholars match digits floating in stars with sums inside a spaceship. Next, they do the same with subtracting 10, connecting numbers to differences. These...
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Addition Strategies: Compensation
In this math worksheet, students learn the addition strategy of compensation: adding an easy number like 10, 20 or 30 and then subtracting a very small number like 1 or 2. Students solve 12 problems on the page.
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Big Steps
Second graders practice developing strategies for mental calculation when counting in 10s and 100s. They mentally perform calculations involving addition and subtraction to be able to state the difference between numbers by counting in...
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Place Value
First graders practice place value by completing problems that allow them to group 10 items together to create groups of 10 and see what is left over. In this place value lesson plan, 1st graders use cups to put 10 items in them, and...
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Counting Money
Students read, write, and identify different coin combinations and use this information in real-world situations.
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Addition Relay
Third graders, in pairs, use a bag of counters which can be dried beans, squares of papers, etc.