Curated OER
Mental Math: Breaking Apart to Add
Develop mental math addition skills by breaking apart addends into 10s and extras. Worksheet has problem solving steps at the top of the page, and 8 practice exercises that lead to increasing independence using the process.
EngageNY
Applying the Properties of Operations to Add and Subtract Rational Numbers 1
Apply properties of operations to work with mixed numbers. The first of two lesson plans that focus on properties of operations works with mixed numbers and converting opposites of sums. Pupils work with properties of operations to break...
Illustrative Mathematics
Pick Two
Learning to break apart numbers into smaller pairs is a critical step young mathematicians take as they develop their number sense. To practice this skill, children are provided with sets of three numbers and are asked to pick the two...
Curated OER
Break-Aparts of 10
In this adding to 10 worksheet, students write the missing number in the box for the number sentences that add to equal 10. Students then draw a picture to show the break-aparts of 10.
CK-12 Foundation
Work and Force: Lifting a Bucket
How much work does it take to lift a bucket? An interactive presents a problem of lifting a bucket from the ground to the top of a building. Using their knowledge about work and integrals, pupils calculate the amount of work required to...
Bridges In Mathematics
Grade 2 Comprehensive Growth Assessment
Need to know if your students comprehend all the Common Core standards covered in second grade? This growth assessment will let you know. Find out if your second graders can add/subtract, tell the time, read a bar graph, know their...
PB Works
Numbers Lesson 3 - Hershey Bar Fractions
Talk about delicious math! Pupils solve problems involving rational numbers and analyze real-life problems to find solutions in a pre-algebra class. They discuss the sections of a Hershey's bar in terms of fractions and decimals before...
Curated OER
Mental Math Strategies
For this mental math worksheet, students read an information box that explains how to use breaking apart or compensation to solve addition or subtraction problems. Students add or subtract using mental math in 8 examples.
Curated OER
Add & Subtract Fractions w/Unlike Denominators, 2
Young scholars use several examples to create a method for adding and subtracting fractions with unlike denominators. They present these methods to the class and then practice applying methods to sample problems.
Houghton Mifflin Harcourt
Unit 2 Math Vocabulary Cards (Grade 4)
The 28-page resource contains cards with terms relating to multiplication from inverse operations to front-end estimation to array. Each sheet contains two cards; one with the word and one with the definition.
Curated OER
The Real Cost of College
How do people pay for college? Learners explore the concept of paying for college, they discuss possible ways to pay for college, research the cost of colleges, room and board, and other college living expenses.
Curated OER
Challenge: Add in Any Other
In this addition worksheet, students complete a set of 4 questions using information given about sets of daffodils planted and also complete a Math Mountain explore it related activity.
Curated OER
Mental Math Strategies
In this mental math worksheet, students study the detailed instructions and examples for adding or subtracting numbers using "breaking apart" or compensation. Students solve 17 mental math problems.
Curated OER
Mental Math
For this multiplication worksheet, students use mental math strategies to multiply 2 digit numbers together. Students complete 7 problems.
Pennsylvania Department of Education
Adding and Subtracting Three-Digit Numbers by Jumping
Second graders use data to graph information and draw conclusions. In this instructional activity on data analysis, 2nd graders practice gathering, sorting, comparing, and graphing data. Students differentiate data that can and cannot...
Khan Academy
Khan Academy: Break Apart 3 Digit Addition Problems
Practice breaking apart big addition problems using place value. For example, 234+567 is the same as 200+500+30+60+4+7. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive...
Khan Academy
Khan Academy: Break Apart 2 Digit Addition Problems
Practice breaking apart problems like 23+45 into problems like 20+40+3+5. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Breaking Apart Two Digit Addition Problems
In this exercise, students practice breaking apart two-digit addition problems. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.