Curated OER
Addition
In this addition activity, students enhance their simple addition skills using addition strategies to solve the two worksheets of addition problems.
Curated OER
Rice and More Rice
Fifth graders explore problem solving strategies for mathematical estimation. For this math problem solving lesson, 5th graders predict how many grains of rice are in a jar, practice establishing and looking for patterns in...
Delaware Math Cadre Elementary Committee
Operations and Algebraic Thinking
How to use the relationship between multiplication and division to solve math word problems is the focus of the lesson presented here. In it, fourth graders work in groups to solve problems posed by the teacher. Then, each group is given...
Curated OER
Number Line Math
Second graders use a number line to practice subtraction. In this subtraction lesson, 2nd graders use a number line to count backwards. Students participate in mad math activities and solve problems.
Curated OER
Celebrating the Universal Language of Numbers
Math games and activities spark the imagination while building crucial skills.
Curated OER
Vocabulary Cards 2nd Grade M-Z
Math vocabulary has never been easier to understand! Use vocabulary cards to bring word walls to your classroom, helping kids make the connection between important math terms and easy-to-understand illustrations.
Curated OER
Addition and Subtraction Pick n Mix 2
Fourth graders practice a wide range of strategies for solving addition and subtraction problems containing decimal fractions. They add and subtract fractions, decimals and integers while generalizing the properties of operations with...
Curated OER
Mathematics Lesson Plan
Second graders study subtraction facts. In this mathematics instructional activity, 2nd graders discuss how to solve two digit subtraction problems. Students recognize that there are many different methods or strategies one can use such...
Curated OER
Dividing by 4's
Third graders explore math functions by completing problem solving activities. In this division lesson, 3rd graders utilize the division strategies acquired earlier to divide multiple digit numbers by 4's. Students complete problems on...
Curated OER
Number Lines and Bead Strings
Students solve addition and subtraction problems using strings of beads and number lines. They mentally perform addition and subtraction problems, and write and solve story problems involving whole numbers.
Curated OER
Dividing by 3's
Third graders review and practice strategies for solving division problems. In this division by 3's lesson, 3rd graders play games, use an interactive whiteboard, create flashcards, and solve word problems.
Curated OER
The Number Tool Box
In this solving a math terms crossword puzzle worksheet, students read the clues across and down and write the math terms in the blanks. Students write 19 answers.
Curated OER
Multiplication: Mixed Facts
In this finding the products worksheet, students multiply one-digit numbers by one-digit numbers using mental math. Students solve 36 problems.
Curated OER
Multiplication: Mixed Facts 2
In this finding the products worksheet, students multiply one-digit by one-digit numbers using mental math. Students solve 35 problems.
Curated OER
Math Jeopardy: Basic Skills
Students play a PowerPoint activity to be used as a review of basic skills for order of operations, and the operations of addition, subtraction, multiplication, and division for whole numbers, some fractional numbers and integers....
Curated OER
The Difference Bar 2
Students use Internet software, The Difference Bar, to work out the difference between two numbers by breaking numbers into parts. Students use mental strategies to work out the difference between any 2 two-digit numbers. Students...
Curated OER
Take Away Bar 2
Students use an Internet tool, The Take-Away Bar" to solve subtraction problems. They use mental strategies to subtract a two-digit number from a larger two-digit number. Students write and solve subtraction problems. They describe...
National Security Agency
Introducing Integers and Their Operations
There's nothing negative about this mini-unit on integers! Engaging young mathematicians in a series of hands-on activities and collaborative learning opportunities, this resource offers an excellent way to introduce your class...
Curated OER
Advanced counting
First graders practice counting to solve simple addition problems. They count forwards and backwards and are asked to explain how they worked out the problem presented to them and worked on paper as well as mentally in their minds.
Curated OER
Multiply One-Digits
In this finding the products worksheet, students multiply one-digit times one-digit numbers to solve. Students solve 35 problems.
Noyce Foundation
Toy Trains
Scholars identify and continue the numerical pattern for the number of wheels on a train. Using the established pattern and its inverse, they determine whether a number of wheels is possible. Pupils finish...
Curated OER
Measurement
Students use arithmetic in a practical situation using time and distance.
As the calculations involved in this problem involve single digit addition and multiplication it offers a good opportunity to encourage the students's use of...
Curated OER
Liquid Killer
Students explore number sense applications and discuss strategies for multiplication and division using mental math. For cross-curricular purposes, they explore causes and effects of inequality and social injustice. Students explore...
Math Salamanders Ltd.
Subtraction: Two Digit Numbers
In this subtraction with two-digit numbers instructional activity, students use a strategy to solve thirty problems in their heads by subtracting tens and then ones.