Pennsylvania Department of Education
What Balances?
Students explore another meaning of subtraction as it pertains to the inverse of addition. In this what balances lesson plan, students identify the concept of subtraction as a balance. Students use subtraction facts to generate addition...
Curated OER
Relationship Between Addition and Subtraction
Students are taught how to add and subtract and use number sense to solve basic math problems. In this addition and subtraction lesson, students are being taught using theories from different philosophers in education. They are given a...
Illustrative Mathematics
Identifying Multiples
Administer an activity that fosters a child's understanding of multiples. Young mathematicians are guided to complete three tasks on a multiplication chart. Once they color the boxes with multiples of two, three, and four, learners...
Curated OER
Fact Families
Learners create "fact families" using digital pictures of their classmates and knowledge of basic math concepts (subtraction and addition) in this technology-based math instructional activity intended for use in the early-elementary...
Curated OER
Direction and Angle: Positions and Directions
This is an interesting mix of concepts. Half of this presentation provides double-digit addition and subtraction practice and the other half has students discuss cardinal directions and right angles. Use these together, or use them on...
Curated OER
Mixed Addition and Subtraction Word Problems Two Version 1
In this word problems worksheet, students read the word problems and use addition or subtraction to solve the problems. Students solve 5 word problems.
Curated OER
Basic Subtraction Facts
In this basic subtraction facts worksheet, students solve 15 subtraction facts. Each fact includes only one-digit numbers.
Curated OER
The Math Lesson 25
In this math skills learning exercise, students enhance their addition and subtraction skills by solving the 20 pages of double and triple digit equations.
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.
Curated OER
Making a Ten
An addition table supports third graders as they learn strategies to improve their math fluency. When finding sums greater than ten, students are taught how to first make a ten and then add on the rest. A similar method is also...
Curated Video
Reporting - Safety and Abuse Tool
Keep your charges safe online with instruction on how to report problems on YouTube. After providing learners with information on the Safety and Abuse Tool, demonstrate how to use the tool and discuss the feature. In groups, learners...
Concord Consortium
Calculator Numbers
Know thy calculator. Young mathematicians use their calculators to answer a set of questions. They consider how the number of digits the calculator displays affects the answers to calculations. They then find examples of computations...
Curated OER
Subtracting Twos (B)
For this subtraction worksheet, students solve 21 problems in which the number 2 is subtracted from a single digit number. The problems are in horizontal format.
Curated OER
Subtracting Ones (B)
In this subtraction review worksheet, students use problem solving skills to solve 21 problems that require them to subtract 1 from various 1 digit numbers.
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...
Curated OER
Subtraction is Fun!
For this subtraction worksheet, 1st graders enhance their subtraction skills by solving the single digit subtraction equations. Students solve 12 problems.
Concord Consortium
Last Digit Arithmetic
Mathematics involves a study of patterns. The exploratory lesson has learners consider the addition pattern in different sets of numbers. Each set has a different pattern that pupils describe mathematically. The patterns involve...
Curated OER
The Math Lesson 7
In this addition and subtraction practice worksheet, students use their problem solving skills to solve 200 problems that require them to add and subtract single digit numbers.
Curated OER
Book Title: You Can’t Buy a Dinosaur with a Dime
Students explore the concepts of multiple digit addition and subtraction. For this addition and subtraction lesson, students read the book You Can’t Buy a Dinosaur with a Dime and then discuss methods for solving a particular math...
Curated OER
Answer Match
In this addition and subtraction practice worksheet, students solve 26 problems that require them to add and subtract using 3-digit numbers. Students match the problems that have the same sums and differences.
Curated OER
Using Addition To Subtract
In this addition and subtraction worksheet, 2nd graders solve 9 subtraction problems and find the missing digit in 9 addition problems.
Curated OER
The Math Lesson 8
In this subtraction practice activity, students use their problem solving skills to solve 240 problems that require them to subtract single digit numbers.
Curated OER
Subtract 13 and 14
In this subtraction practice worksheet, students use problem solving skills in order to solve 6 math word problems that require them to subtract 1 digit numbers.
Curated OER
Addition: Number Bonds to 40
For this addition and subtraction worksheet, students use their problem solving skills to solve 41 problems as they fill in the missing numbers in each of the problems.