Curated OER
Title Balancing With Tidy Numbers
Young scholars use math manipulatives (ice block sticks) to show the addition of two 2-digit numbers. They discuss short-cuts that might be used to make the problem easier. they apply the same principle for adding larger numbers, as well.
Curated OER
Lesson 2 Ordering Numbers
Math wizards begin the lesson by comparing and ordering rational numbers. Using a number line, they discover the relationship between the numbers and practice ordering them in the correct way. They also review proper techniques for...
Illustrative Mathematics
Make 9
Learning how numbers are put together as parts and wholes is a big step in building the foundational number sense of young mathematicians. Here, children are given a number less than 10 and are asked to find as many pairs of numbers as...
Curated OER
Add or Subtract (up to 50)
Do you add or subtract? It's up to your mathematicians as they fill in the symbol for 16 equations to make them true. The numbers in this section don't exceed 18. Next, learners answer six word problems by determining the missing addend...
Curated OER
The Numbers Get Larger
Second graders examine how to use mental strategies for addition and subtraction. They look at part/whole strategies for multi-digit problems and define which one would be best used for a particular problem. They use tens frames to solve...
Curated OER
Adding on Two-- Larger Numbers
In this math worksheet, students practice adding on two to a 2-digit number. Example: 64+2. Students also count by two in 6 rows of number patterns.
Curated OER
Fun Math Worksheet
In this addition activity, learners solve 12 problems in which five digit numbers are added. There will be carrying on this page which has fun pictures of animals and dinosaurs.
Curated OER
Least Common Multiple
Give students detailed instructions on how to find the Least Common Multiple as well as practice with this thorough introductory learning exercise. Instructions for this learning exercise include an explanation of both guess and check as...
American Chemical Society
Dissolving a Substance in Different Liquids
Second of six lessons in a unit on dissolving, this one focuses on how sugar behaves in different liquids. Learners stir it into water, alcohol, and oil and make observations. This lesson can stand alone, but is best used as part of the...
Curated OER
Single Digit Addition Facts
In this addition worksheet, students solve 20 problems in which single digit numbers are added. These are basic addition facts in vertical format.
Curated OER
Adding and Subtracting Integers
Learners add and subtract integers. In this algebra lesson, students add, subtract, multiply and divide integers. They apply the properties of numbers as they solve equations.
Curated OER
Single Digit Addition 0 to 9
In this addition worksheet, learners solve 20 problems in which single digit numbers are added. These are basic addition facts in vertical format.
Curated OER
Operations with Decimal Numbers
Sixth graders demonstrate operations with decimal numbers. In this computation lesson, 6th graders play the game "Diabolical Decimals." The objects of this game is to construct the largest number after rolling a die five times. The...
Curated OER
Fractions
In this math worksheet, students will read about the definition of fractions. Students will read about and practice equivalent fractions, simplifying fractions and adding and subtracting fractions.
Curated OER
Touch Math
Using the touch math system, learners engage in activities to practice adding numbers. While the lesson is laid out in an explicit manner, there isn't a guide explaining the touch math system.
Curated OER
20 Tickets
A great hands-on activity involving adding and subtracting, beginner mathematicians determine how many games can be played with 20 tickets. Instead of tickets, youngsters use 20 counters or linking cubes to represent the amount of...
Curated OER
Everyday Problems
Bring math into the real world with these scenarios which have scholars adding and subtracting money and measurements. There are five word problems here. One involves three addends, another decimals, and another prompts learners to find...
Curated OER
Investigation - Square Numbers and Triangle Numbers
Fifth graders investigate growth patterns using blocks. In this square and triangle numbers lesson plan, 5th graders predict sizes of larger triangles and squares based on numerical patterns they observed while building.
Curated OER
Adding and Subtracting Integers
In this algebra instructional activity, students solve problems containing integers using addition and subtraction. They add positive and negative numbers correctly. There are 30 problems with an answer key.
Curated OER
Arithmetic with Positive and Negative Numbers
For this arithmetic with positive and negative numbers worksheet, students 5 multi-step problems. Students find the sum of positive and negative integers. Students practive multiplying and dividing positive and negative integers.
Curated OER
Mentally Add Two 2-Digit Numbers pg. 1
Mental math addition is the focus of this activity. Students apply a strategy outlined in the activity to find the sums. In this activity, students find the answers for twenty problems. Answers appear at the end.
Common Core Sheets
Comparing Fraction Relative Size
Which is the larger amount? Two-fourths of 10 dollars, or one-fourth of 100 dollars? This type of question is the main focus of a instructional activity that has learners comparing fractions by their relative size. Each problem contains...
Curated OER
Dividing by 10
Multiplication and division become much easier when mathematicians are dealing with the number 10 as a factor or divisor. Use the examples to get scholars noticing number patterns if they haven't already learned this. They divide 20...
Curated OER
Addition
In this addition instructional activity, 3rd graders practice solving 10 addition problems involving 2-digit whole numbers. Students put their answers in the shapes provided.