Curated OER
Addition
Looking for some straightforward addition practice? You found it! Mathematicians calculate sums between double-digit addends, using examples as guidance. There are 12 problems total. Next, they answer two simple addition word problems....
Curated OER
10 More or 10 Less?
Take a rocket to the stars with using a math worksheet. Here, four sets of alien saucers, moons, rockets, and stars prompt young learners to match numbers with one more or ten more. Color the pictures for extra fun when students are...
Curated OER
Multiplication Drills
Practice multiplication with your fourth graders! After reviewing four example multiplication problems at the top of the page, pupils solve 32 problems with one and two-digit numbers. This format would work well for a nice timed-quiz for...
Curated OER
Subtraction Practice, Part 3
A basic subtraction learning exercise can help your second graders improve their problem-solving skills. Seventeen problems prompt learners to subtract two-digit numbers from two-digit numbers. None of the problems require carrying, so...
Illustrative Mathematics
Assessing Counting Sequences Part I
Working with kindergartners one-on-one, you will identify their ability to count by 1s and 10s and conclude what levels they have mastered, as well as where they need skills practice and instruction. The commentary provided will aid you...
West Contra Costa Unified School District
Adding by finding 10's
Count with ten frames in a first grade addition lesson plan. 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.
West Contra Costa Unified School District
Adding Numbers
Support math instruction at home with a helpful reference sheet designed for parents. Three pages cover the subject of addition with written details and labeled pictures.
Global Oneness Project
After the Quake: Preserving the Artifacts of Kathmandu
On April 28, 2015, a 7.8 earthquake ruptured the Kathmandu Valley in Nepal. Seven UNESCO World Heritage sites are located in this valley. The efforts of experts and archeologists to restore three of them—Kathmandu Durbar Square, Patan...
Cold Spring Harbor Laboratory
DNA Is Only the Beginning for Understanding the Human Genome
Mario Capecchi requested funding for a new procedure targeting genes and was rejected. Four years later, after he proved it worked, the NIH apologized and funded his research. Use an online interactive to learn about his research and the...
Curated OER
The Part-Adder 2
Third graders use mental-math strategies to solve two-digit plus two-digit addition problems. They observe and discuss online demonstrations, solve word problems as a class, and independently solve problems and describe their solutions...
Curated OER
Adding and Subtracting Bears and Goats
First graders evaluate math problems using farm animals. In this consumer math lesson, 1st graders discover math problems which concern quantities of farm animals. Students discover new strategies to help them analyze their...
Curated OER
How Many Ways Can You Count?
Youngsters chorally count to 100 by 1s, 2s, 5s, and 10s, and backwards from 20, using chip markers and a hundreds chart. Includes a printable chart and a teacher checklist for assessing mastery.
Curated OER
The Counting Caterpillar
A daily counting routine builds a caterpillar with 100 body segments (marked with symbols to indicate 2s, 5s, and 10s) by the 100th day of school. Provides structured repetition as part of the morning routine so that by 100th day,...
Curated OER
Subtraction
Here are 12 basic subtraction facts for your pupils to work on. Each of the problems has a one-digit number subtracted from a two-digit number. This could be used as a homework assignment, in-class task, or as an assessment to see how...
Curated OER
Subtracting With the Hundreds Place And Regrouping
Learners solve math problems involving subtracting with regrouping. They practice the steps for subtracting in the hundreds place with regrouping, through teacher guided practice. Independently, pupils complete story problems involving...
Curated OER
Compare Whole Numbers to 100
Learners practice comparing whole numbers. In this number comparison lesson plan, students use number lines, number cards, base-ten blocks, and bean sticks to practice comparing whole numbers that range to 100. Learners follow the...
Curated OER
Three-Digit Addition
Young scholars work with hundreds place value, create and manipulate three-digit addition problems, and add three-digit numbers.
Curated OER
New Mexico Challenge
In this state facts worksheet, students read the clues associated with New Mexico. Students select the correct answer for the 10 statements.
Curated OER
Place Value and Decimals
Help your class investigate the concept of place values and decimals. They recognize place values to the thousandths place and solve different problems to demonstrate mastery. They practice writing and saying the numbers with the place...
Curated OER
Comparing and Ordering Fractions, Mixed Numbers, and Decimals
Pupils practice comparing and ordering fractions, mixed numbers, and decimals. For this fractions, mixed numbers, and decimals lesson, students examine a decimal place value chart compared to a whole number place value chart. They...
Curated OER
Subtracting With or Without Regrouping - Lesson & Worksheet
Second graders analyze subtraction problems. In this subtraction lesson, 2nd graders examine how to subtract numbers with and without regrouping. Students work in teams to complete board races. Assessment is provided.
Curated OER
Calendar Time
Use circle time to work on counting. Kindergarteners practice the months of the year, say the full date, chart the day's temperature, count to 100, and sing the alphabet song. This kind of daily routine cultivates deep roots for...
Curated OER
Patterns
Explore early algebra by participating in a pattern identification activity using a random assortment of different household materials. The class creates, completes, and analyzes different patterns with the help of leggos, buttons,...
Curated OER
Math Series: Number Patterns
The focus of this math lesson plan is representing numbers in different ways. Young mathematicians practice putting numbers into sets, and arriving at answers in new ways. For example, they are asked to, "Show me how to get 7 eyes." A...