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Curated OER
Composing Numbers
Learners add-on to determine which set of blocks make each of the four given numbers. There are five sets of blocks, they count the two block sets that compose the indicated number when added together.
Curated OER
Tens and Ones Worksheet: Writing 2-Digit Numbers
Before they can even skip count by tens, your youngest mathematicians can write 2-digit numbers simply by counting the number of tens represented in a picture, then the number of ones shown, and transferring their answers to the...
Illustrative Mathematics
Three Composing/Decomposing Problems
Practice composing and decomposing numbers in base-ten using three word problems. Each problem presents a different scenario requiring learners to explain their thinking, find the number of ones, and find out different ways to make a...
Curated OER
Make 10 Worksheet
Provide your young mathematicians practice composing numbers with a 12-problem worksheet that asks them to draw the number of squares needed to make a total of 10. The layout of the worksheet may be confusing for some pupils.
Curated OER
Decomposing Numbers Step-By-Step
Here are two addition-related exercises. However, bear in mind, the explanations are featured below each of them. Use this as an all-class warm up, revealing the explanations if and when you see fit. First, examine the four sets of...
Math Worksheets Land
Decomposing Numbers Guided Lesson
Guide your young mathematicians through an exercise in composing and decomposing numbers from 0 to 10. The prompts ask learners to match an addition sentence to the model, to select which of the equations makes 9, and which one makes 6....
Noyce Foundation
Apple Farm Field Trip
Monitor the growth of young mathematicians with a comprehensive addition and subtraction assessment. Using the context of a class field trip to an apple orchard, this series of four story problems allows children to demonstrate their...
Curated OER
Comparing Numbers (up to 999)
In this number comparison activity, 4th graders compare 14 pairs of numbers and place either the greater than or less than symbol between each. They order 7 sets of numbers from least or smallest to greatest.
Curated OER
Subtraction: 2 digit numbers
In this subtraction worksheet, learners subtract 2 digit numbers from each other with and without regrouping. Students complete 15 subtraction problems.
Curated OER
Comprise/Compose
In this comprise and compose instructional activity, students choose the correct word to complete each sentence. Students choose either comprise or compose to complete 9 sentences.
Curated OER
Introduction to the Periodic Table
In this periodic table activity, students will label the atomic number, atomic mass, element name, and element symbol for oxygen. Then students will determine the characteristics of the different groups of elements on the periodic table...
Community Resources for Science
A Whole New World of DNA and Proteins
Lead your young scientists into an exciting world as they participate in a role play and experiment focused on proteins and DNA. After researching the Central Dogma of Biology, individuals or groups participate in a classroom...
Curated OER
Chapter 19 Review, Section 3: Oxidation-Reduction Reactions
If you need a homework assignment for your chemistry class, add this one to the possibilities. This assignment is composed of six questions including the identification of oxidizing and reducing agents, recognizing different redox...
Curated OER
2 digit addition
In this addition activity, 2nd graders add two digit numbers together with and without regrouping. Students complete 15 addition problems.
Curated OER
Atomic Theory, Structure, and Symbols
In this atomic theory activity, students review the observations that led to the conclusion of the atom having a positively charged nucleus. Students compare atomic number and mass number and explain how the discovery of subatomic...
Curated OER
Addition Worksheet
In this addition worksheet, students add one digit numbers together to get the sums. Students complete 14 addition problems problems.
Math Salamanders Ltd.
Place Value - Hundreds, Tens, and Ones - Count the Balloons
Second graders count the number of balloons represented in groups of hundreds, tens, and ones, then compose a three-digit number. There are three problems to solve.
Curated OER
Math: Writing the Correct Expression
Here are six picture problems in need of a related equation. Pupils count and compose a number sentence based on the shapes that see in the picture. Because items to be added are hexagons and circles it's a good opportunity to build...
Worksheets Plus
Place Value Worksheets - Comparing Numbers
Six problems consisting of sets of tens and ones cubes are arranged for aspiring mathematicians to analyze. For each problem, pupils write down the total numbers of cubes and then use < or > to identify which set is the least and...
Curated OER
Whole Number Order of Operations Practice
In this middle school mathematics worksheet, students use the order of operations to simplify numeric expressions that are composed of whole numbers. The one page worksheet contains seven problems. Answers are...
Curated OER
Addition with Two Digit Numbers
In this addition with two digits worksheet, students solve fifteen two digit addition problems using carrying when it is needed.
Curated OER
Harvey Andrews - The Man and the Music
High schoolers can hone their research skills by using the Internet to find the answers to the trivia questions presented in this on-line worksheet. This particular worksheet focuses on questions that have to do with the British...
Curated OER
Task: Miniature Golf
"Fore!" All right, no one really yells this out in miniature golf, but this well-defined activity will have your charges using lots of numbers in their unique design of a miniature golf hole. Included in the activity criteria is the...
Illustrative Mathematics
Finding Areas of Polygons, Variation 1
An exercise in finding the area of polygons by decomposing into triangles and composing into rectangles is the focus of this resource. Make several copies of the worksheet for each participant. Ask learners to use colored pencils to...