Primary Junction
Adding Tens
Build on your learners' confidence in quick addition as they discover strategies to add tens to two-digit numbers. After reviewing counting by 10's, they discuss tactics to add multiples of 10 to other numbers. They visualize how to...
California Education Partners
Window Washers
Aim high with a task on window washers. An assessment task challenges learners to determine the number of windows two people wash. They do this using a given number of window rows on each side of a building. In addition, they find the...
Illustrative Mathematics
How Many Colored Pencils?
Support young mathematicians' interpretation of place value in order to multiply single-digit numbers by 10. The task builds upon and enhances a learners' understanding of place value, a second grade skill, while introducing...
DK Publishing
Counting Caterpillars
These caterpillars each have a number sequence printed on their segmented bodies, but some numbers are missing! Look at the completed caterpillars as an example, asking kids to notice a possible pattern. They should observe that the...
Curated OER
Calculate the Answer
Students solve basic multiplication or addition facts using a calculator and product cards. They draw a card, read the sum or product, and press single digits on the calculator to display the number on the card.
Curated OER
What's Your Angle
Students create an original lesson plan about geometry and angles. In small groups they take pictures using a digital camera of obtuse, acute, right, and straight angles that they find at school. Students use the photos in a computer...
Curated OER
Calculator Numbers
Third graders practice working out a hidden number on a calculator via number sequence in the advanced additive stage six. They assess number sequence to unveil a mystery number that has been entered onto a calculator and then switch...
Curated OER
Add to Find the Greatest Total
In this addition instructional activity, students solve 12 problems in which two digit numbers are added with carrying. Students ring the total that is the greatest in each row.
Curated OER
Addition: Number Bonds to Fifty
In this identifying numbers that total fifty worksheet, students use an addend and the sum fifty to write the missing number. Students solve 41 problems.
Balanced Assessment
Number Trick
Show your classes the magic of numbers. Using a number trick, learners practice writing algebraic expressions. They then use their expression to perform the trick. Their exploration should help them understand the magic behind the trick.
Curated OER
Multiplication and Areas
Upper graders solve problems involving measurement of squares and rectangles to practice multiplication skills, finding area, and calculating prices and percentages. A performance assessment is included.
Curated OER
Estimate, Solve, and Check
Young scholars estimate, solve, and check a series of addition and subtraction number and word problems. They write their estimates on a recording sheet, compute and write the answer in the next column, and check their answer with a...
Curated OER
I'll Have an Order of Subtraction Please!
Students explore number values by completing consumer math worksheets. In this math functions lesson, students identify the use of a decimal in numbers and the place values that are represented when dealing with money. Students complete...
EngageNY
Scientific Notation
Young mathematicians learn how scientific notation is meant to save time. Part 10, out of a series of 15, asks scholars to recognize the correct use of scientific notation and finish by adding and subtracting numbers using...
Curated OER
Twenty Questions: The Hundred Chart
Use the 20 Questions game to practice math vocabulary and number properties! Project a hundreds chart and hand one out to learners. Ideally, give them counters (beans would work well) to mark off the chart so you can play multiple times....
Arizona Department of Education
Area and Perimeter of Regular and Irregular Polygons
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other...
School Mathematics Project
Resource Sheets
This extensive and far-reaching collection of worksheets puts a new twist on many basic concepts. Learners use multiplication to trace a path from one point to another, tile a plane by converting between improper and proper fractions,...
Curated OER
Number Manipulation
In this number manipulation worksheet, students solve 4 different types of problems that include number manipulation. First, they use division, multiplication, addition, or subtraction to make each set of numbers into equations which...
Curated OER
Jack and the Beanstalk Estimation
Students use estimation and pencil-paper calculations to help Jack and his mother solve a variety of life problems. They solve problems using various math operations, i.e., addition, subtraction, and measurement.
Curated OER
Regrouping
Students practice regrouping using the wonderful manipulative - unifix cubes. Once they have a tactile understanding of regrouping, students complete 5 worksheets containing addition problems that require regrouping. The worksheets...
Curated OER
Subtraction
Second graders regroup two-digit numbers and solve advanced subtraction problems with regrouping; students use straw and cup manipulatives to demonstrate how to borrow from the tens place in order to solve the problem.
Curated OER
Booster
In this addition worksheet, students put a circle around 2 numbers out of 9 that add up to 99, put in the missing digit in 1 multiplication problem and supply 3 missing numbers in a triangle in order that each edge adds up to 125.
Curated OER
Number Tick Tack Toe:
Students practice basic addition and subtration facts to twelve and use thinking skills to win at tick tack toe.
Curated OER
Let's Roll Robots!
Students write a story about robots. In this creative writing activity, students read a story about robots, make their own robot, and write a story about their robot. In addition, the lesson plan suggests taking photos of the robots to...