Curated OER
Solving Simple Addition and Subtraction Equations Using Fact Families
Students explore addition fact families. In this addition and subtraction fact family math activity, students click and drag objects on the Smart Board to create visual representations of fact families. Students use fact family...
Curated OER
Through India and Back
Students play a game based on "The Amazing Race" to practice using rates and fractions. For this fractions and rates lesson, students work in small groups competing to complete the tasks in the quickest time. At each stage of the...
Curated OER
Bears in a Box
First graders count bears to predict missing addends. They analyze the missing addend sentence: 7 + ? = 10 and count up from 7 to 10 and check to see if there are 3 bears in the box.
Curated OER
Number in Statistics
Second graders add two and three digit numbers. They are taught how to calculate the mean and the midpoint. Students are shown how to calculate symmetrical set of numbers. They are shown a model adding the same to each increases the...
Curated OER
Numbers that Add to 3
In this addition facts worksheet, students fill in the graphic organizer to make addition facts that equal the number 3, 4, 5, and 6. Students complete 8 facts for the 4 worksheets.
Curated OER
Thanksgiving Addition
A handy instructional activity on adding 3-digit numbers is here for you. Third graders practice the skills of carrying numbers from one place value to the next when adding numbers like this. An answer key accompanies the instructional...
EngageNY
Estimating Digits in a Quotient
Boiling down any division problem to a one-digit divisor problem sure makes estimation easy. The lesson shows how to estimate division problems by using place value understanding and basic arithmetic facts to simplify the division. Some...
Houghton Mifflin Harcourt
Addition and Subtraction Facts to 20
First graders act out number stories from number cards. In order to learn about addition and subtraction up to 20 lesson, learners become the manipulatives and line up to show the number stories.
Curated OER
Collections: Word Problems
Young scholars read multiple step story problems and solve by adding and subtracting. They solve five problems.
Noyce Foundation
Ducklings
The class gets their mean and median all in a row with an assessment task that uses a population of ducklings to work with data displays and measures of central tendency. Pupils create a frequency chart and calculate the mean and median....
Curated OER
Count by 100s
In this counting by hundreds to problem solve worksheet, students count and write by hundreds in sequence, add a hundred, and model using flats and rods to solve six problems.
Curated OER
Roman Numeration
Gain a deeper understanding of the base 10 system through practicing conversion to Roman numerals through one million. The class is taught how to read the numerals through modeling and guided practice. This lesson includes a homework...
Perkins School for the Blind
Baseball
Baseball is an American pastime, super fun to play, and can be made accessible to learners with visual impairments. Instead of taking to the ball field, your class can learn the rules of the game by playing a small three-dimensional...
Curated OER
Addition: 2-Digit plus 2-Digit, No Regrouping
In this addition worksheet, students complete 30 problems, adding two, 2-digit numbers-no remainders. Worksheet includes links to answers and additional worksheets.
Curated OER
Patterns and Sequences
Ninth graders examine sequential number patterns and the Fibonacci sequence. Given number patterns, they determine the next number in a sequence. Students develop their own number patterns and exchange them with another to be solved.
Curated OER
10 More
In this adding ten worksheet, students solve ten problems in which the number 10 is added to a two digit number. Students write their answers in oval shapes.
Curated OER
Primes and Triples
In this primes instructional activity, students list three triples that are generated by formulas. They explain how to generate these formulas and discuss the Pythagorean Triples. This one-page instructional activity contains one...
Curated OER
Three Digit Plus Two Digit Addition
In this addition review activity, students use their math skills to solve 36 problems that require them to add 3 digit numbers to 2 digit numbers with regrouping.
Curated OER
Addition: Exercise 4
In this addition activity, learners add one digit numbers without having to carry over. There are thirty problems to solve. Students can complete this online and submit the answers.
Curated OER
Three Digit Addition
In this addition review worksheet, students use their math skills to solve 36 problems that require them to add 3 digit numbers to 3 digit numbers with regrouping.
Curated OER
Add 19 to Any 2-Digit Number
For this addition worksheet, students solve 18 problems in which the number 19 is added to a two-digit number. No hints or examples are provided.
Curated OER
Study Buddies: Working With Addition Properties
In this math worksheet, students will work with a coach to learn about and practice three addition properties: associative, commutative, and identity. Students will follow a step-by-step process and notes are provided for the coach.
Curated OER
Invitation To Integers
Students find zero pairs and add integers using zero pairs and a number line. They generalize rules for adding integers. The class view approximately 10 minutes of video divided into three segments.
Curated OER
Santa's List Sums (E1)
For this adding single digit numbers worksheet, students observe a chart of street names, boys, and girls and add the total number of boys and girls on each street, the total number of children, and the total number of each sex. Students...