Curated OER
Make a Match
Second graders examine the relationship between addition and subtraction. In this number sense lesson, 2nd graders practice their computation skills and use various strategies (including manipulatives and calculators) to...
Curated OER
Place Value to 1,000
Second graders study the concept of place value with hundreds, tens, and ones. In the place value lesson, 2nd graders demonstrate their prior knowledge of place value with tens and ones. Students are then introduced to place value with...
Math Mammoth
Multiplying in Columns, Standard Way
In t his multiplication worksheet, students read about column multiplication and complete 22 problems. A website reference for additional resources is given.
Curated OER
Let's Play Ball
In this probability worksheet, students read about a group of students who play six games of basketball and the results. Students solve 6 word problems about the basketball games.
Curated OER
Using and Creating Divisor Tables
In this using and creating divisor tables worksheet, 6th graders create divisor tables according to instructions, then use the tables to solve the division problems.
Curated OER
Introduction to Estimation and Making Arrays
Pupils explore the concept of estimating and organizing a group of objects into an array to count the exact number of items. They create their own arrays and practice elements of estimation.
Curated OER
Multiplication Word Problems Using Different Representations
Students solve multiplication word problems by using base 10 blocks and drawing pictures. In this multiplication lesson plan, students also write a reflection of their work.
Curated OER
Subtraction Worksheets
Subtraction worksheets can be a useful way for students to practice necessary skills.
Curated OER
Subtracting Greater Numbers
In this subtracting greater numbers worksheet, pupils, with a partner, problem solve and calculate the answers to six addition equations.
Curated OER
Hula Hoop Hullabaloo
Second graders use hula hoops to represent the zero as they count objects into ones, tens, hundreds and thousands. They complete an activity to after they have practiced counting objects.
Curated OER
Chart Trivia
Learners practice addition and subtraction problems and answer questions using greater than and less than. They chart information to create a graph on the computer.
CK-12 Foundation
Ck 12: Elem Math: Subtracting 2 Digit Numbers With Regrouping
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a two-digit subtraction problem with regrouping. The video is followed by additional problems for students to practice the skills...
CK-12 Foundation
Ck 12: Elem Math: Subtracting 2 Digit Numbers Without Regrouping
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a two-digit subtraction problem without regrouping. The video is followed by additional problems for students to practice the skills...
CK-12 Foundation
Ck 12: Elem Math: Subtracting 2 Digit Numbers Without Regrouping
[Free Registration/Login may be required to access all resource tools.] The video shows a subtraction problem with two digit numbers. The video is followed by a series of practice questions to assess student comprehension of the concept.
CK-12 Foundation
Ck 12: Elem Math: Subtracting 2 Digit Numbers With Regrouping
[Free Registration/Login may be required to access all resource tools.] The video describes how to subtract two-digit numbers using regrouping. The video is followed by additional problems for students to practice the skills discussed in...
Khan Academy
Khan Academy: Subtracting Two Digit Numbers (No Regrouping)
In this exercise, students practice subtracting two-digit numbers (no regrouping). Students receive immediate feedback and have the opportunity to watch a tutorial video, get hints, and try questions repeatedly.
Khan Academy
Khan Academy: Regrouping: Two Digit Number Minus One Digit Number
In this exercise, students practice regrouping with two-digit number minus one-digit number. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Adding Two Digit Numbers by Making Tens
In this exercise, students practice adding two-digit numbers by making tens. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Adding Two Digit Numbers by Making Tens 2
In this exercise, students practice adding two-digit numbers by making tens. Students receive immediate feedback and have the opportunity to watch tutorial videos, get hints, and try questions repeatedly.
Khan Academy
Khan Academy: Multiply 2 Digit Numbers
Multiply 2-digit numbers by 2-digit numbers. Regrouping (carrying) needed. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Elem Math: Subtraction 3 Digits Minus 2 Digits
[Free Registration/Login may be required to access all resource tools.] The video describes how to use regrouping when subtraction a two-digit number from a three-digit number. The video is followed by additional problems for students to...
Khan Academy
Khan Academy: Adding Two Digit Numbers (No Regrouping)
In this exercise, students practice adding two-digit numbers (no regrouping). Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Other
Nearpod: Subtraction With Regrouping: Two Digit
In this instructional activity on subtraction, students will use the break apart strategy, draw a model, or the standard algorithm to subtract 2-digit numbers.