Curated OER
Whole Numbers
For this whole numbers worksheet, students write equivalent equations. This one-page worksheet contains 10 problems.
Curated OER
Add Mixed Numbers With Like Denominators Worksheet
Practice adding mixed numbers with like denominators with your upper elementary schoolers. The cartoon figure at the top of the page reminds learners how to tackle the problem. There are 14 problems listed.
Curated OER
Add Mixed Numbers With Like Denominators [C]
In this mixed number addition instructional activity, students solve a total of 7 problems, adding mixed numbers with like denominators. An example problem appear at the top of the instructional activity.
Curated OER
Add Mixed Numbers with Like Denominators (F)
In this adding mixed numbers practice worksheet, students solve 14 problems that require them to add mixed numbers that have like denominators.
Curated OER
Add Mixed Numbers With Like Denominators [J]
In this mixed number addition instructional activity, students add a total of 14 problems, using mixed numbers with like denominators. An example problem appears at the top of the instructional activity.
Curated OER
Comparing Apples With Apples 1
Elementary schoolers observe and demonstrate how to add and subtract fractions with like denominators. They observe the teacher model a variety of fraction addition and subtraction problems and use fraction strips to complete a worksheet.
Curated OER
Multiplication Strategies - A Day at the Zoo
This is an amazing 33-page resource for teaching multiplication! Your mathematicians will discover the connection between multiplication and repeated addition. They also will work collaboratively with arrays while studying zoo animals....
Illustrative Mathematics
$20 Dot Map
Challenge the addition skills of young learners with this open-ended math problem. The task is simple, get from start to finish by connecting a series of three numbers. The trick is that the sum of the numbers must be less than or equal...
Curated OER
Fractions and Rationals
Upper elementary and middle schoolers solve 16 types of problems to include writing fractions to represent shaded portions, writing a mixed number to represent certain points on a number line, and changing equivalent mixed numbers to...
Curated OER
Fractions of A Pizza
Young scholars view a large illustration of a pizza with parts of velcro. In this addition and subtraction of fractions lesson, students solve problems based on the pieces missing from the pizza. Young scholars take a fraction quiz....
EngageNY
Matrix Addition Is Commutative
Explore properties of addition as they relate to matrices. Using graphical representations of vector matrices, scholars test the commutative and associative properties of addition. They determine if the properties are consistent for...
Curated OER
Whole Number Addition Level 4
In this math worksheet, students solve twelve whole number addition problems. Students add two-digit numbers without carrying.
Curated OER
More Addition
Turn your mathematicians into addition superstars with these multiple-addend equations. They add up three, four, and five-digit numbers to find the sums, a few of which are six-digit numbers. The twelve vertically aligned equations...
Curated OER
Part Part Whole
First graders solve number sentences. In this problem solving lesson, 1st graders construct addition sentences using a part part whole mat. Students demonstrate problem solving strategies using cubes.
Curated OER
Whole Number Addition Level 9
In this math instructional activity, students solve twelve addition problems using 3 digit whole numbers.
Curated OER
Two-Digit Addition at the Zoo
Your second graders explore two digit addition with regrouping. They will investigate problem solving strategies within the context of a trip to the zoo. Multiple resources and assessments are provided.
Illustrative Mathematics
Field Day Scarcity
Introduce young mathematicians to concepts of financial literacy with this open-ended word problem. With seven dollars to spend during field day and given a list of available items and their prices, children must determine how they want...
Curated OER
Count on Whole Tens
In this counting worksheet, students complete a set of 5 problems, adding a "whole ten" number to a 3-digit number, then complete 6 additional problems, adding 90 to given numbers.
Curated OER
Concept: Adding Integers
In this integers online interactive worksheet, students complete a chart on adding integers and rewrite 11 positive integer questions without the positive signs. Students solve 2 online integer word problems on the lines provided.
Curated OER
Dance, Dance, Dance
Use dance and song to help your charges in adding whole numbers to 10. In this adding to 10 lesson, learners become the manipulatives as you add them.
California Education Partners
John's Trip Disneyland
It all adds up to one. Pupils solve several items that involve finding sums of fractions in relationship to a whole. The assessment task uses fractions with unlike denominators to determine the amount of a tank of gas and the amount of...
Maths Blog
Adding/Subtracting Whole Numbers in Your Head
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...
Cold Spring Harbor Laboratory
A Half DNA Ladder Is a Template for Copying the Whole
The experiment known as one of the most beautiful experiments in biology changed the way we think about DNA. Learn about the experiment and the scientists who designed it—as well as the scientists who built on the results—with an online...
Illustrative Mathematics
Equality Number Sentences
Understanding the concept of equality is fundamental to the success of young mathematicians. To explore this basic idea, children compare the dots arranged in pairs of rectangles in order to determine whether or not they contain an equal...