New York City Department of Education
Rational Numbers
Order up a unit on rational numbers. A unit overview gives a basic outline of instruction and activities on rational numbers for the 7.NS domain. A performance task on profits at pizzerias assesses understanding of the concepts in the...
Curated OER
Addition-Decimals
In this addition worksheet, learners solve twenty equations associated with addition and decimals. Students show each step of their work as they solve each equation.
Curated OER
Getting The Point
Students complete a unit of lessons on the relationships between decimals, whole numbers, and fractions. They use paper strips to solve fraction problems, view and solve examples, and use calculators to convert fractions into decimal...
Curated OER
Decimal Numbers
In this fractions to decimals worksheet, learners write the fraction number sentences as decimal number sentences and solve the addition puzzles. Students complete 17 problems.
Curated OER
A Frightening Mix of Math
In this addition and subtraction worksheet, students add or subtract two digit numbers with two digits numbers. The worksheet is a combination of 36 multiplication and subtraction problems.
Curated OER
Decimals Vocabulary Matching
In this decimal vocabulary worksheet, students match a set of 27 words to their correct definitions. Answers are included on page 2; a reference web site is given for additional activities.
Curated OER
Subtraction Relay
Students play a team subtraction game, subtracting two-digit numbers and using addition to check their subtraction. They solve subtraction problems at the board while the team solves the same problem in their seats.
Curated OER
The Part-Adder 2
Third graders use mental-math strategies to solve two-digit plus two-digit addition problems. They observe and discuss online demonstrations, solve word problems as a class, and independently solve problems and describe their solutions...
Curated OER
Decimal Addition
For this decimal addition worksheet, 7th graders solve 20 different problems that involve adding decimals. First, they write one decimal above the other with their decimal points lined up. Then, students add the two numbers as they would...
Math Salamanders Ltd.
Adding Decimals - Tenths Sheet 1
In this adding decimals with tenths worksheet, learners use number machines to solve nine addition problems with one decimal place.
Curated OER
My Thanksgiving Book
In this decimal addition worksheet, 3rd graders supply the missing number to make a set of problems true. Answers are available online.
Curated OER
Positive and Negative Numbers
Pupils use blocks and markers to illustrate the processes of adding, subtracting, multiplying and dividing integers. In this mathematics lesson, learners use Algebra blocks to demonstrate multiplying polynomials.
Helping with Math
#5: Addition & Subtraction Equations (1 of 2)
Single-step addition or subtraction operations are applied in order to solve these 12 simple equations. An answer key is available, not so much for you, but perhaps to be used by learners as a self-correction tool. Note that the...
Curated OER
Addition and Subtraction word problems
In this word problems instructional activity, students solve addition, subtraction, money, decimals, and percentage word problems. Students solve 47 problems total.
Curated OER
Determining Angle Measure with Parallel Lines
Students observe and solve examples of corresponding angle postulates, alternate interior angle theorems, and exterior and consecutive angles. They complete the Determining Angle Measure With Parallel Lines worksheet.
Curated OER
Adding and Subtracting Positive and Negative Numbers
In this math learning exercise, students complete 32 addition and subtraction problems. The first 22 involve integers. There are 6 problems with positive and negative decimals. The last 4 problems are fractions.
Curated OER
Doing Battle With Radical Equations
Young scholars observe and solve examples of equations involving radicals. They complete a Doing Battle With Radical Equations worksheet and checklist.
Curated OER
Math Games for Skills and Concepts
A 27-page packet full of math games and activities builds on algebra, measurement, geometry, fractional, and graphing skills. Young mathematicians participate in math games collaboratively, promoting teamwork and skills practice.
University of Missouri
Money Math
Young mathematicians put their skills to the test in the real world during this four-lesson consumer math unit. Whether they are learning how compound interest can make them millionaires, calculating the cost of remodeling...
Pedago Net
Acing Math
Deal me in! Elementary and middle school classes will love this selection of math games, all involving a deck of cards. From fractions to exponents to rounding up and down, the games cover such a variety of skills that your classroom...
Education Development Center
Geography of the Number Line
It's more than just numbers on a line, its an organizational, mental math machine to help learners understand the value of numbers. The tool is handy when introducing positive and negative integers to see their values and...
Curated OER
Add Decimal Hundredths (B)
In this finding the sums of decimals to the hundredths place instructional activity, students rewrite the horizontal problems and add problems with mixed regrouping and no regrouping. Students solve 32 problems.
Curated OER
Decimal addition and subtraction
In this decimals activity, students complete addition and subtraction problems with numbers containing decimals. Students complete 10 problems.