Curated OER
Number Sense
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences lesson, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
Curated OER
Add and Subtract within 1000
Here are some practice problems with adding and subtracting three-digit numbers. Scholars complete three addition problems and three subtraction problems. None of these involve carrying over or regrouping. There are only two numbers to...
Curated OER
Tenths Models
In this math worksheet, students examine 4 identical squares with lines dividing them into ten columns. There are no directions for how to use this to teach place value.
Curated OER
Full House
In this place value instructional activity, 1st graders express different ways to show numbers. Students complete 6 problems demonstrating an understanding of the tens and the ones place.
Curated OER
Guess the Magic
For this place value worksheet, students read each of 6 word clues and then write the number described. Example: Anna's number has 2 tens and 1 one (21).
PHET
Make a Ten
Rate the resource as a perfect 10. Pupils use an interactive to help add and subtract numbers. They first explore how to express whole numbers using hundreds, tens, and ones, then explore how to add whole numbers by combining to make...
Curated OER
Tic-Tac-Place Value
First graders explore how to write, read, and identify three-digit numbers.
Curated OER
Smallest and Largest Numbers
Incorporate robots into your lesson on number value! For the first worksheet, learners examine two pairs of robots with numbers (1-10) on their chests. They follow directions and color the robot with the largest or smallest number. Then,...
NTTI
Putting Together Ten
Groups explore sets of 10 items in two varieties (i.e. 3 white buttons and 7 black ones, or 5 bears and 5 bunnies). They brainstorm about their objects, write math sentences to represent what they have, and report their discoveries...
Curated OER
Calc-You-Late Magnitudes
First graders are introduced and practice using a calculator. Individually, they enter and complete simple addition and subtraction problems. After the answer is displayed, they identify the place value for ones, tens, and hundreds...
Broward County Schools
Women's Contributions to the United States
Betsy Ross, Toni Morrison, Sacajawea, Amelia Earhart, Maya Lin, Sally Ride, Judy Baca. No matter the subject area or the grade level you teach you will find much to value in a manual that focuses on the contributions U.S. women have...
Curated OER
Chisanbop (Korean Counting to 99)
Students practice their counting skills. In this counting lesson plan, students discover the Chisanbop method of counting which allows them to quickly count to 99 using their hands.
Illustrative Mathematics
Kiri's Mathematics Match Game
Learning math is so much more fun when it involves playing games. Following the rules of the classic game Memory, young mathematicians flip over two cards at a time as they look for numbers whose sum or difference is equal to the value...
Curated OER
Regroup - Up to 99
In this regrouping worksheet, students regroup 2-digit numbers into the tens and ones place. There are 12 numbers for students to regroup.
Curated OER
The School Store
Students choose between the operations of addition or subtraction to solve a real life problem. For this addition and subtraction lesson, students make a chart of items sold in the school store. Students then work in teams to apply...
Out-of-School Time Resource Center
Nutrition and Physical Activity
Emerging nutritionists explore what it means to be healthy. In the beginning of the unit, your class will examine the five food groups and learn how food gets from the farm to our plates. This leads into the investigation of...
Curated OER
Which Number is Greater?
Students draw pictures of two digit numbers to identify the greater value. In this math lesson plan, students plot two digit numbers on a number line and identify the greatest or lesser value. Students use the greater than and less than...
Curated OER
The Places We Love
Young scholars examine how they and others express themselves. Using various writings and art, they discover the places they like to go in the world and share them with their classmates. They paint their favorite place and share their...
Curated OER
One Hundred Things
Learners practice estimating by handling items in groups of ten. They visualize how much space 100 items, such as pennies, peas, or beans, will take up after holding 10 of them. Young scholars measure the difference in volume...
Curated OER
Introducing money (Elementary, Mathematics)
Students study the penny, nickel, dime and quarter, one each day for four days, using a magnifying glass to identify the similarities. Then students discuss differences and value and learn a 'rap' to memorize values.
Curated OER
Study Buddies: Adding Two-Digit Numbers
Some times a simple lesson is all you need. Here are 2 worksheets that can be used as a lesson on problem solving, addition, and partner work. The first worksheet has learners use a tens and ones charts to practice adding simple...
Curated OER
Further Investigating Greater Than, Less Than, and Equal to
Students investigate number relationships such as greater than, less than, and equal to. For this number relationship lesson, students use number mats and a fish with a large, open mouth to practice showing number relationships.
Curated OER
100 Dots
In this counting skills instructional activity, students draw 10 dots on each of the 10 pictured ladybugs.
Curated OER
Tens and Ones
Learners view three problems involving adding or subtracting with ones and tens. Each problem is followed by an explanation and an answer as to how the problem should be done. Note: This resource contains incorrect grammar and could be...