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Worksheet
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Forty Mental Math Angle Problems

For Students 10th - 11th
In this angle worksheet, students answer forty mental math questions divided into four problem sets.  These problems require students to remember angle facts and so simple calculations mentally.
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Worksheet
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Dividing Integers #3

For Students 6th
In this dividing integers #3 learning exercise, 6th graders solve 60 division problems by using mental math to find the answers;  there are 2 different sheets of 60 problems on one page.
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Worksheet
Curated OER

Arithmetic: Fractions

For Students 7th - 10th
In this fraction learning exercise, students add and subtract fractions with unlike denominators.  They multiply and divide fractions.  This one-page learning exercise is designed for mental math.  It contains 30 problems, with answers.
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Worksheet
Curated OER

Estimation and Approximation

For Students 8th - 10th
In this math worksheet, students guess the answers and then calculate the real answer without using a calculator. There are 10 questions on this worksheet.
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Worksheet
Curated OER

Multiplication Mental Math

For Students 6th
In this multiplication mental math instructional activity, 6th graders answer multiple choice questions about the commutative, associative and distributive properties of multiplication.
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Worksheet
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Mental Math

For Students 5th - 8th
In this mental math worksheet, students complete addition, subtraction, and multiplication problems using mental math strategies. Students complete 8 problems.
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Worksheet
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Mental Math Methods

For Students 4th - 6th
In this mental math worksheet, students use mental math methods to solve problems. Students complete 1 addition, 1 multiplication, and 1 subtraction problem using these methods.
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Worksheet
Curated OER

Mental Math

For Students 5th - 8th
In this multiplication worksheet, learners use mental math strategies to multiply 2 digit numbers together. Students complete 7 problems.
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Lesson Plan
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Mental Arithmetic

For Teachers 5th
Fifth graders complete a mental arithmetic race worksheet while reviewing the associated concepts. For this mental math lesson, 5th graders complete as much of the associated worksheet as they are able to in one minute. They review and...
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Worksheet
Curated OER

Add Decimals Mentally (2)

For Students 4th - 6th
In this decimal addition activity, students solve 5 problems that require them to use mental math to add decimals. Students also solve 5 problems that require them to fill in the blanks with missing decimal addends.
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Interactive
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Explorit's Do-It-In-Your-Head Numbers Quiz

For Students 4th - 5th
In this mental math learning exercise, students complete a 6 question multiple choice online interactive activity without using pencil, paper or calculator. Included are word problems, multiple operations, averaging, and basic arithmetic.
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Worksheet
Curated OER

Number Sequences

For Students 4th - 5th
In these number sequence worksheets, students study the sets of numbers and write down the next set of numbers for each sequence. Students complete 3 sets of numbers and 30 problems.
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Worksheet
Curated OER

Arithmetic: Revision

For Students 7th
In this mental math activity, 7th graders find the products in a variety of multiplication problems. They complete 22 problems that include multiplication of basic factors, money, decimals and word problems.
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Worksheet
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Mental Tests: Basic Operations

For Students 5th - 6th
In this mental math worksheet, students answer problems using the four operations: addition, subtraction, multiplication & division. Problems are grouped in ten for a quick review.
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Worksheet
Curated OER

Mental Maths

For Students K - 2nd
In this mental math practice worksheet, students fill in the 10 blanks as the count backwards and forward. Students also solve 20 addition problems.
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Worksheet
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Leveled Problem Solving Equations and Mental Math

For Students 5th - 7th
For this equations and mental math practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
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Worksheet
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Look for Easy Numbers for E-Z Addition

For Students 2nd
In this mental math worksheet, 2nd graders focus on using multiples of ten to make addition problems easier to solve. They look for numbers that add to 10, 20, 30, or other multiples of 10. They write about how finding the multiples of...
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Lesson Plan
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Blueberries for Sal

For Teachers K - 2nd
Learners read the book "Blueberries for Sal" and complete various computation math activities with blueberries. In this computation activity, students complete number sentences, play guessing games, and solve story problems using...
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Lesson Plan
Curated OER

Moving-Math Hopscotch

For Teachers Pre-K - K
Students engage in a hopscotch game where each square represents a number. In this mental math and movement lesson, students take turns playing traditional hopscotch, but add a mental math component where they add or subtract specific...
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Worksheet
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Mental Math: Subtract Tens: Reteach

For Students 2nd
In this subtraction instructional activity, 2nd graders use subtraction facts to help them complete the subtraction sentences. Students write in the missing numbers for each sentence and solve the problems. Students' objective is to...
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Worksheet
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Mental Math: Add Tens Practice 10.1

For Students 1st - 2nd
In this adding tens worksheet, students solve 11 problems in which tens are added. Students may use a basic fact to help. Example: 2 tens + 1 ten.
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Worksheet
Curated OER

Algebra: Mental Math: Patterns in Multiples of 10

For Students 4th - 5th
In this mental math worksheet, students use a pattern or multiplication mental math to find each product. Students then multiply the final problems using multiples of 10.
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Worksheet
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Algebra: Addition and Subtraction Equations: Practice

For Students 4th - 5th
In this addition and subtraction equations worksheet, students use mental math to solve the addition and subtraction equations. Students then answer two test prep questions.
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Worksheet
Curated OER

More Addition in Your Head- Mental Math

For Students 3rd - 4th
In this addition mental math learning exercise, students answer 12 questions by doing addition in their heads. They complete 8 more questions by adding after reading the problems which include key words such as increase, altogether,...