Curated OER
What's My Number?
Fifth graders use AppleWorks to stamp a given number to the thousandths place. They read, write and order integers, whole numbers and rational numbers. They represent place value using concrete or illustrated models.
Curated OER
Carry and Borrow
Second graders complete basic math computations. In this addition and subtraction lesson, 2nd graders learn how to carry and borrow numbers when adding and subtracting. Students learn a carrying song to help them remember. Students...
Curated OER
Place Value and Subtraction With Regrouping
In this place value and subtraction worksheet, students place pennies in the chart and use them to put numbers in the correct place value and subtract. Students use the pennies as ones and use them in regrouping.
Curated OER
How Many More on a Graph?
First graders identify a number that is one more or one less than a number up to one hundred and identify a mystery number. They also create a class graph that illustrates how many children are in each family, and answer questions about...
Curated OER
Multiplication With Two Digits
Third graders multiply one and two digit problems, identify place value, and maneuver manipulatives to solve problems.
Curated OER
Estimation and Computation
Second graders practice their estimation skills using blocks. In this math lesson, 2nd graders explain how estimating makes addition easier. They complete a worksheet after the lesson to reinforce new learning.
Curated OER
Elimination Using Addition and Subtraction
In this systems of equations worksheet, students use the elimination method to solve systems of equations. An example and explanation is given at the beginning of the worksheet. This one-page worksheet contains ten problems.
Curated OER
2 Digit Addition Worksheets with Regrouping
In this math activity, students solve 20 problems in which 2 digit numbers are added with regrouping. There are 10 pages available here.
Curated OER
Addition Strategies: Compensation
In this math worksheet, students learn the addition strategy of compensation: adding an easy number like 10, 20 or 30 and then subtracting a very small number like 1 or 2. Students solve 12 problems on the page.
Curated OER
Stamps and Yo-yo
Students discuss items people collect, such as stamps and baseball cards, solve related word problems to practice adding and subtracting tens, complete worksheet, and share items they do or would like to collect with classmates.
Curated OER
Big Steps
Second graders practice developing strategies for mental calculation when counting in 10s and 100s. They mentally perform calculations involving addition and subtraction to be able to state the difference between numbers by counting in...
Curated OER
Marking the Minutes
Students mark seconds, minutes, hours, days, etc. on class timetable report to keep track of time spent on Uninterrupted Silent Reading.
Curated OER
Roll Seven!
Roll Seven is a fun and engaging dice game that encourages the use of mental math.
Curated OER
2 digit addition
In this addition worksheet, students solve 2 digit addition problems with regrouping. Students solve 12 addition problems and have a review in the beginning.
Curated OER
Estimating Sums
In this estimating sums worksheet, students, working with a partner, practice problem solving five word problems involving estimation.
Curated OER
Multiply Decimal Fractions by 10 or 100
In this decimal fraction multiplication worksheet, students read an explanation of rules, then solve 24 problems. Answers are included on page 2.
Curated OER
Number Sense Sampler
First graders illustrate a math problem with counters while reading story books, such as Margie Burton's "Add the Animals". They demonstrate a positive learning attitude toward mathematics and communicate clearly in oral, artistic,...
AAA Math
Aaa Math: Adding Tens
This game helps you practice adding tens. You will get to see a percent score of the answers you have correct, as well as running totals of the answers you have correct and incorrect.
Starfall
Starfall: Compose & Decompose Numbers
This learning game focuses on adding tens and ones to fill candy orders and deliver them.
Khan Academy
Khan Academy: Add 2 Digit Numbers by Making Tens
Students will be challenged in their skills to add 2-digit numbers by making tens
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: Add 2 Digit Numbers by Making Tens 2
Practice adding two-digit numbers by making tens on Khan Academy. If you are stuck, watch a refresher video or choose to get a hint. Test yourself to see how many you can get correct!
Khan Academy
Khan Academy: Adding 1s or 10s (No Regrouping)
In this exercise, students practice adding 1s or 10s (no regrouping). Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.