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Grandpa's Chocolates
It's fun playing a game of "Guess What's in the Jacket Pocket?" Young scholars read the question using the concept of doubles using mental math. They then share their solutions with the class.
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The Mind Map
Learners form a mental map of their residence in relation to school and recreate it on paper showing distance, direction, location and symbols. This lesson is designed to introduce learners to geographic thinking.
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Number Operations
Students investigate integers and solve problems using integers. In this algebra lesson, students solve problems to help improve speed and accuracy of mental math. They develop a deeper knowledge of the way integers are used on a daily...
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Mental Math for Adding Decimals
Fifth graders work in groups to practice adding decimals. In this adding decimals activity, 5th graders call out different money amounts to each other and mentally add the coins called out. Students take turns calling out and adding the...
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Krypto Math Game
Students play a math game. In this number sense and mental math lesson, students play a game where they use mental math to form equations that result in the target number required to win the game.
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More Addition in Your Head
In this mental math addition instructional activity, students determine sums. In this problem solving instructional activity, students write answers to twenty problems.
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Mentally Add Larger Numbers
For this addition worksheet, students solve problems in their heads. In this problem solving worksheet, students write answers to twenty problems.
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Mentally Add 3 Digit Numbers
In this addition worksheet, students are shown how to add two 3 digit numbers in your head mentally. There are 18 problems for the students to try to work in their head.
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Mentally Add Two 2-Digit Numbers pg. 1
Mental math addition is the focus of this activity. Students apply a strategy outlined in the activity to find the sums. In this activity, students find the answers for twenty problems. Answers appear at the end.
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What Must Be Added?
In this addition worksheet, students, while answering 15 addition questions, answer each question without doing any written work. Students solve each answer with mental math strategies.
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Finding a Way
For this mental math worksheet, 3rd graders use mental math to find and solve each missing product, sum and/or difference in each of the 4 paths. Students answer 1 short answer question relating to the paths.
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It All Adds Up
In this finding the sums activity, 1st graders color in the three numbers that add up to the number in each cloud in 9 boxes. Students study the first one done for them.
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Mental Math: Dividing Multiples of 10, 100, and 1,000
In this dividing multiples activity, 4th graders solve 8 mental math problems dividing by a variety of different multiples of 10. Students solve 3 word problems.
Math Mammoth
Mental Math
In this math activity, 6th graders solve the problems that ask them to use the correct order to calculate the solutions to the six sets.
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Mental Multiplication and Division
Students practice multiplication and division problems using mental math. They play the online game ArithmAttack to complete as many multiplications or divisions as possible in 60 seconds. Afterward, they complete a paper based follow up...
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Mental Math Relay
Fourth graders use mental math, paper and pencil and calculators to solve problems. They are put into teams and race to see who gets the most correct answers per round. This lesson plan strengthen mental math and estimation skills.
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Do You Know Your Place Value?
A basic presentation on place value is here for you. In it, students are shown a number in written form, then attempt to correctly-write the number using commas in the appropriate place. The numbers go up to the millions place value....
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21 Game (Self Esteem)
Here's a simple math game that two people can play together. The first player says the number one or two. Then, the other player says the next one or two consecutive numbers. The goal of the game is to be the player who says "twenty-one"...
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Unit 7: Mensuration Mental Tests
In this mental math instructional activity, middle schoolers calculate area, volume, perimeter, and convert units in two mental math tests of ten problems each.
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Mental Arithmetic
In this mental math worksheet, students answer 2 sets of mental math questions about writing whole numbers, place value, counting back and on in tens and addition and subtraction.
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Mental Math and Money Problems
In this money instructional activity, students find the total cost of buying items by adding European money using mental math. Students complete 12 problems.
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Mental Subtraction Methods
In this subtraction worksheet, students subtract problems using mental math methods such as tens groups, comparing problems, helping numbers, and more. Students complete 7 sets of problems.
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Subtracting 2-Digit Numbers Mentally
In this subtraction worksheet, students subtract 2 digit numbers from each other using mental math. Students complete 12 problems and 9 comparison problems.
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Mental Math Ideas
For this mental math worksheet, students complete the multiplication and subtraction problems where they use the strategy "subtract all digits from 9 except the last one from 10". Students complete 26 problems.