Virginia Department of Education
Integers: Addition and Subtraction
Young mathematicians construct their own understanding of integers with an inquiry-based math lesson plan. Using colored chips to represent positive and negative numbers, children model a series of addition and subtraction problems...
Education Development Center
Adding Fractions with Unlike Denominators
If the fractions don't have a common denominator, make them have one. Learners first read and analyze a conversation of pupils trying to add 2/5 and 1/2. They compare the process of adding fractions to the process of adding quantities...
Curated OER
Multiplication Two Digit by Three Digit Numbers
In this multiplication instructional activity, students multiply two digit numbers by three digit numbers. Students complete 30 multiplication problems.
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...
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.
K12 Reader
Evaluating Efficiency
There's more than one way to solve a math problem! Introduce your class to this concept with a reading passage. After reading, learners answer five related questions.
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,...
University of Minnesota
Fraction Operations and Initial Decimal Ideas
Add another strategy to the toolboxes of young mathematicians with this elementary math lesson on using number lines to add and subtract fractions.
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.
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
Three Digit Multipliers
In this multiplication worksheet, learners multiply 3 digit numbers together. Students complete 6 three digit number multiplication problems.
Curated OER
Add Groups of 10
In this addition learning exercise, students count each group and write the 2-digit number in the top boxes. Students add the number shown in each table to this number. Students draw a line for each extra 10 added. Students record the...
Curated OER
Systems of Equations (Systems Project Part 1)
In this systems of equations learning exercise, students identify and explore three ways to solve systems of equations: graphing, substitution, elimination. They discuss the strengths, weaknesses, and write an algorithm for...
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.
Helping with Math
Subtraction: 4-digit numbers
Twenty four subtraction problems are displayed on this printable worksheet. All of the problems involve taking a four-digit number away from a greater four-digit number. Regrouping is required in some cases. This nifty homework...
Curated OER
4-Digit Problem Solving: Add and Subtract
In this problem solving worksheet, learners solve a total of 7 equations, drawing models and using algorithm. A reference web site for additional activities is given.
Helping with Math
SubtractionL 3-digit - 2-digit
In this assignment, math minors solve 30 subtraction problems. Two-digit subtrahends are taken away from three-digit minuends. Often, regrouping will be necessary to arrive at the difference. Terrific practice with an answer key provided!
Curated OER
A Three-Digit Multiplier, Plus Zeros
In this three digit multiplication worksheet, students review how to multiply with three digit numbers. Students then multiply the three digit problems.
Curated OER
Minutes and Days
Elapsed time is a skill developed by the single question that is the center of this activity. Fifth graders are asked to find out the time that is 2011 minutes after the beginning of 2011. This question addresses the standard that...
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...
Curated OER
Analyzing Word Problems Involving Multiplication
Learners sometimes have difficulty making sense of a word problem. In a guided learning activity, pupils are asked to think about how to find an answer and explain their thinking, rather than finding the answer. It allows them to...
Curated OER
Easy Division Without Remainders: 2-Digit Quotient
In this division worksheet, students complete a total of 9 problems; problems have no remainders and 2-digit quotients. Worksheet contains a link to additional activities.