Worksheet
Maths Blog

Adding/Subtracting Whole Numbers in Your Head

For Students 2nd - 3rd Standards
Exercise those mental math muscles! This worksheet contains 10 addition and 10 subtraction problems which require learners to compute sums or differences in their heads. A quick review at the top of the page provides a strategy based on...
Worksheet
Curated OER

Subtraction Word Problems #1

For Teachers 2nd - 3rd Standards
Practice subtraction skills and word problem strategies with your second graders. After reviewing the example at the top of the page, learners solve 14 word problems involving subtraction. A great way to practice mental math!
Lesson Plan
West Contra Costa Unified School District

Adding by finding 10's

For Teachers 1st - 2nd Standards
Count with ten frames in a first grade addition lesson. Kids determine how to identify numbers on a number line, as well as with ten frames, and complete ten frames to show their answers in several addition problems.
Worksheet
Curated OER

Problems Using Time

For Students 3rd - 4th
What time will it be in thirty minutes? Scholars use three digital clocks to answer nine questions which require they add and subtract minutes from a given time. Learners record what time it will be in a specific number of minutes or...
Worksheet
Curated OER

A Frightening Mix of Math, A-Add or Subtract, But Look Out for the Monsters

For Students 2nd - 3rd
For this math worksheet, students add and subtract. Fifteen problems are subtraction, students subtract two digit numbers from three digit numbers. Regrouping is required. Twenty-one problems are addition, students add two digit numbers...
Lesson Plan
Curated OER

Complex Numbers

For Teachers 10th - 12th Standards
Learners are introduced to the concept of imaginary unit and complex numbers. They are taught how to add and subtract complex numbers. Students define a complex number. They comprehend at least two applications of complex numbers....
Lesson Plan
EngageNY

Writing and Expanding Multiplication Expressions

For Teachers 6th Standards
Find out what's so standard about standard form. Scholars learn to write multiplication expressions with variables in the 10th lesson in a series of 36. They use different symbols for multiplication and translate between standard and...
Lesson Plan
Illustrative Mathematics

Bookstore Account

For Teachers 6th - 8th Standards
We use debt often to describe negative numbers and your learners will be able to see how it translates into math. They will be asked to go through a series of transactions and make simple equations for each one, following it with a...
Worksheet
Curated OER

Adding Decimals; Ten Thousandths

For Students 3rd - 5th
In this math worksheet, students add and subtract using decimals in the ten thousandths place. Students complete 32 horizontal problems, writing the answers in the space provided.
Handout
Curated OER

Times & Dates in Spanish

For Teachers 6th - 12th
Use this information, presentation, and infographic to build several lessons on telling the time and expressing the date in Spanish. The information is broken into topics and includes many examples and exceptions to the standard rules....
Lesson Plan
Curated OER

Negative Numbers

For Teachers 6th - 7th
Sixth and seventh graders investigate the concept of negative numbers. The lesson begins with a review of positive numbers and progresses to the various operations with negative numbers. The lesson includes dialogue for the teacher to...
Lesson Plan
Curated OER

60-30-10

For Teachers 6th - 8th
Students use ratios and proportions to represent quantitative relationships as they investigate the concept of how percentages are used by designers. Students decorate the same room using three different percentages of colors.
Worksheet
Curated OER

Adding/Subtracting Integers

For Students 7th - 8th
For this integer worksheet, students find the sum and difference of positive and negative integers. Each equation contains two to three terms, with multiple operations. Thirty problems are provided, with an answer sheet.
Worksheet
Curated OER

Mental Maths

For Teachers 2nd - 4th
In this counting instructional activity, students complete 22 fill in the blank problems where they are given a starting number and count by 1's, 2's, and 10's. Next. students answer 12 fill in the blank addition or subtraction problems...
Worksheet
Curated OER

Two Digit Addition and Subtraction (T)

For Students 2nd - 3rd
In this two digit addition and subtraction worksheet, learners add and subtract two digit numbers. Students complete 49 two digit addition and subtraction problems to find the sum.
Worksheet
Curated OER

Adding and Subtracting Like Mixed Numbers (7)

For Students 5th
In this mixed number fractions instructional activity, 5th graders add and subtract to solve the mixed number fractions. Students solve 10 fraction equations.
Lesson Plan
Curated OER

Adding and Subtracting Money

For Teachers 2nd - 3rd
In this math worksheet, young scholars solve problems involving money. The first problem has four questions that guide the student through the problem solving process. The final four problems are computation problems involving money, but...
Lesson Plan
Curated OER

Math: Working with Mayan Numbers

For Teachers 4th - 6th
Students simulate a Mayan market place, and "purchase" items. They keep a record of their purchases and total number of beans left in their account. Students then convert the Mayan base system into the base ten system. This lesson plan...
Assessment
1
1
Balanced Assessment

Birthday Card

For Students 9th - 12th Standards
Add a twist to the practice of simplifying expressions. The task asks scholars to decode a mathematical puzzle using their knowledge of expressions. If they are able to write and simplify the expression, the mathematics behind the puzzle...
Worksheet
Maths Blog

Make 20

For Students 1st - 3rd Standards
There are quite a few ways to make the number 20 through addition. Learners fill in missing addends to reach the sum of 20 then answer additional related questions. This is a good resource because it has the class both add to 20 and...
Lesson Plan
EngageNY

The Geometric Effect of Some Complex Arithmetic 2

For Teachers 11th - 12th Standards
The 10th lesson in a series of 32, continues with the geometry of arithmetic of complex numbers focusing on multiplication. Class members find the effects of multiplying a complex number by a real number, an imaginary number, and another...
Lesson Plan
Illustrative Mathematics

Guess My Number

For Teachers 7th - 9th Standards
Make a game out of solving equations. This particular activity works well for pairs of learners. Follow the instructions to have player one pick a number and player two verbally give an equation. Participants need to make sense of a...
Unit Plan
EngageNY

Complex Numbers and Transformations

For Teachers 11th - 12th Standards
Your learners combine their knowledge of real and imaginary numbers and matrices in an activity containing thirty lessons, two assessments (mid-module and end module), and their corresponding rubrics. Centered on complex numbers and...
Lesson Plan
Curated OER

Three-Digit Addition and Subtraction With Regrouping

For Teachers 2nd
Second graders access prior knowledge of addition and subtraction using two-digit numbers and calculate easily with them. In this three-digit addition lesson, 2nd graders learn to add and subtract three-digit numbers with and without...