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DK Publishing
Subtracting Big Numbers
Do your third graders get nervous when working with larger numbers? Help them get some practice subtracting big numbers in different contexts. After working through twenty-two straightforward problems, four of which include units of...
Curated OER
Primary Understanding and Use of Place Value
Explore place value and regrouping with your class. They develop awareness of several ancient number systems and how they differ from the base ten system commonly used today. They play "Chip Trading" with partners to practice addition...
Curated OER
Add or Subtract (up to 50)
Do you add or subtract? It's up to your mathematicians as they fill in the symbol for 16 equations to make them true. The numbers in this section don't exceed 18. Next, learners answer six word problems by determining the missing addend...
Curated Video
Reporting - Safety and Abuse Tool
Keep your charges safe online with instruction on how to report problems on YouTube. After providing learners with information on the Safety and Abuse Tool, demonstrate how to use the tool and discuss the feature. In groups, learners...
Curated OER
1 Less or 1 More
Complete these images with values one less and one more; young mathematicians fill in bunches of flowers, starting at a middle number and working their way to the right by addition and to the left by subtraction. For each flower they...
Curated OER
Tens Barrier Subtraction/2
In this subtraction worksheet, students find the differences in 36 subtraction problems in which they subtract a single digit number from a two digit number. They work on the problems that are divided into 3 sets of 12.
Curated OER
Tens Barrier Subtraction | 5
In this subtraction worksheet, learners find the differences in 36 subtraction problems in which they subtract a single digit number from a two digit number. They work on the problems that are divided into 3 sets of 12.
Curated OER
Tens Barrier Subtraction | 7
In this subtraction instructional activity, students find the differences in 36 subtraction problems in which they subtract a single digit number from a two digit number. They work on the problems that are divided into 3 sets of 12.
Curated OER
Subtraction 2-Digits from 4
In this subtraction worksheet, students solve a total of 30 problems, subtracting 2-digits numbers from 4-digit numbers. A website reference for additional activities is given.
Math Salamanders Ltd.
Column Subtraction - Money 2 Digits Sheet 2
In this column, learners solve 20 subtraction problems involving money with four digits, including dollars and cents, with regrouping.
Curated OER
Triple Digit Subtraction W/carry
In this triple digit subtraction activity, learners problem solve twenty five subtraction equations with carryovers. Students show each step of their work as they go.
Curated OER
Adding and Subtracting Decimals 2
In this adding and subtracting decimals worksheet, students add and subtract numbers with decimals up to 4 digits. Students complete 16 problems.
Curated OER
Trading in Subtraction
Second graders solve two-digit subtraction problems without trades using counters and by modeling trades with base-ten blocks. They pair in groups and students open the "Counters Open Mat". Students are given a problem, such as: there...
Curated OER
Mathematics Lesson Plan
Second graders study subtraction facts. In this mathematics lesson, 2nd graders discuss how to solve two digit subtraction problems. Students recognize that there are many different methods or strategies one can use such as using...
Curated OER
Fix it!
In this subtraction worksheet, students fix subtraction problems containing two and three digit numbers that were solved incorrectly. Students complete 5 problems.
Curated OER
Balancing Act
In this equations learning exercise, students solve one digit addition and subtraction problems and then put 2 problems on each scale that are related. Students complete 12 equations and put 8 scales together.
Curated OER
Subtraction Facts To 18
In this math worksheet, 1st graders focus on single digit subtraction facts. Students respond to twelve problems for mastery and memorization.
Curated OER
Properties of Addition and Subtraction
In this using properties to solve word problems, students find the sums and differences of two-digit numbers using the zero property and the order property of addition to problem solve. Students solve six problems.
Curated OER
Hands On: Subtract 2-Digit Numbers
For this subtracting 2-digit numbers worksheet, students solve the two-digit subtraction word problems. Students solve six word problems.
Curated OER
Subtraction Word Problems #3
In this subtraction worksheet, students show their word in spaces provided, solving a set of 4 subtraction word problems. Answers are included on page 2.
Curated OER
Addition and Subtraction: Basic Word Problems
In this work problem activity, students complete a set of 10 addition and subtraction problems. Answers are included on page. Problems are beginning level.
Curated OER
Subtraction - Find the Missing Numbers
In this subtraction instructional activity, 3rd graders find the missing numbers in 8 subtraction problems. They estimate the differences in 4 three and four digit subtraction problems before calculating each answer.
Scholastic
Adding and Subtracting Ten
Developing fluency with basic addition and subtraction is fundamental to the success of all young mathematicians. This four-day lesson series begins with learners using ten-frames and hundreds charts to recognize patterns when adding and...
Math Learning Center
Second Grade Assessments and Scoring Checklists, Common Core State Standards
How are your second graders progressing in their math skills? Find out with a series of math assessment activities. With baseline assessment score sheets for each skill, you can track how well your kids are adding, subtracting, telling...