Virginia Department of Education
Integers: Addition and Subtraction
Young mathematicians construct their own understanding of integers with an inquiry-based math lesson. Using colored chips to represent positive and negative numbers, children model a series of addition and subtraction problems as...
Curated OER
Multiplication Two Digit by Three Digit Numbers
In this multiplication worksheet, learners multiply two digit numbers by three digit numbers. Students complete 30 multiplication problems.
Curated OER
Integer Computation-Rules
In this integers activity, students solve and complete 17 different problems that include using the integer computation-rules. First, they read the flow chart on the right and add their own examples to show that they comprehend each...
Illustrative Mathematics
Building toward fluency
Here is a great learning task that focuses on the development of areas in computational fluency including strategies in mental math. Young learners are guided through a list of addition expressions that help them visually understand the...
Helping with Math
Addition - Three 3-Digit Numbers
There are 20 addition problems on this assignment, all of which require the addition of three three-digit numbers. All of them will require some regrouping to solve. This is terrific arithmetic practice to assign as homework. An answer...
Curated OER
Addition: 3-Digit Sums (Carrying Tens)
In this addition practice worksheet, students improve their math skills as they solve 30 problems that require them to add 2-digit numbers to 2-digit numbers
Curated OER
Hands-On Equations: Teacher Notes
Math manipulatives are wonderful for demonstrating any number of mathematical concepts in a concrete and visual way. Learners review the addition property of equality and the zero property using a scale model kit (not shown). They...
Curated OER
Multiplying Three Digit Numbers
In this multiplication worksheet, students multiply three digit numbers by three digit numbers. Students complete 24 multiplication problems.
Helping with Math
Addition - Four 4-digit Numbers
Stack up those digits and get your fourth graders adding! This printable handout displays 20 addition problems in which pupils find the sum of four four-digit numbers. With a click of the box in the upper left corner of the web page,...
Curated OER
Numerical Analysis
In this math worksheet, students examine the concepts of generalizing root-finding algorithms and fixed point iteration. They also practice using the Fixed Point Theorem.
Curated OER
Mathematics of Image Processing Project
In this image processing worksheet, students complete 4 steps related to image processing. First, they work in teams of 2-3 and create a hard copy report and documented m-files. Then, students try compression at various quality levels...
Helping with Math
Subtraction : 3-digit - 3-digit
In this subtraction worksheet, math wizards subtract three-digit numbers from different three-digit numbers. Some of the 24 problems require regrouping.
Curated OER
Arithmetic Algorithms
In this math worksheet, students solve a variety of arithmetic algorithms. Students use multiplication, division, addition, and subtraction skills to solve the problems.
Helping with Math
Addition: 3-Digit Sums
The title is a bit confusing, but understand that the addends are only two-digit numbers. It is the answers, the sums, that will consist of three digits. Learners solve six addition practice problems. Answers can be obtained by clicking...
Curated OER
Three Digit Multipliers
In this multiplication worksheet, students multiply 3 digit numbers together. Students complete 6 three digit number multiplication problems.
Curated OER
Guess a Birthday
In this birthday instructional activity, learners perform given algorithms. Upon performing all problems correctly, the student's final answer will be his/her birthday. This one-page instructional activity contains 8...
Curated OER
Add Groups of 10
In this addition worksheet, learners count each group and write the 2-digit number in the top boxes. Students add the number shown in each table to this number. Learners draw a line for each extra 10 added. Students record the total at...
Curated OER
Systems of Equations (Systems Project Part 1)
In this systems of equations worksheet, students identify and explore three ways to solve systems of equations: graphing, substitution, elimination. They discuss the strengths, weaknesses, and write an algorithm for each...
Curated OER
Add Groups of Ten
In this addition worksheet, learners add groups of tens and their remainders to determine the missing addends in the pairs of 2-digit problems and then find the sums. Students solve nine problems.
Curated OER
4-Digit Problem Solving: Add and Subtract
In this problem solving worksheet, students solve a total of 7 equations, drawing models and using algorithm. A reference web site for additional activities is given.
Curated OER
A Three-Digit Multiplier, Plus Zeros
In this three digit multiplication worksheet, learners review how to multiply with three digit numbers. Students then multiply the three digit problems.
University of Minnesota
Fraction Operations and Initial Decimal Ideas
Add another strategy to the toolboxes of young mathematicians with this elementary math activity on using number lines to add and subtract fractions.
Raytheon
Adding and Subtracting Decimals
For this adding and subtracting decimals instructional activity, students add and subtract numbers with decimals in word problems. Students complete 12 word problems.
EngageNY
The Distributive Property and the Products of Decimals
Make multiplication of decimals easier by applying the distributive property. Pupils investigate how they can use the distributive property to multiply decimals. After learning the strategy, they work on some practice problems at...