Curated OER
Tens and Ones
In this place value learning exercise, students complete two pages of 20 problems involving identifying the place value. Students are given a specific number of tens and ones and write down the number they equal.
Curated OER
Study Buddies: Adding Two-Digit Numbers
Some times a simple instructional activity is all you need. Here are 2 worksheets that can be used as a instructional activity on problem solving, addition, and partner work. The first worksheet has learners use a tens and ones charts to...
Curated OER
Tens and Ones
Learners view three problems involving adding or subtracting with ones and tens. Each problem is followed by an explanation and an answer as to how the problem should be done. Note: This resource contains incorrect grammar and could be...
Curated OER
Tens and Units
Images of base ten blocks are used to reinforce counting past 10. Learners will count along, adding units to each 10 as they go from 10 to 30. Each number is shown on a 100 block, as blocks of 10s and 1s, and in numeric form as tens and...
K-5 Math Teaching Resources
2-Digit Addition Template
Learning two-digit addition isn't about memorizing steps, it's about understanding place value. Support the development of your class's number sense with these addition mats that help children break apart two-digit numbers into tens and...
Curated OER
Counting On Tens or Ones
In this mathematics worksheet, 1st graders count on tens or ones. They identify how many ones and tens that they are counting for each. Then, students write the sum for each problem.
Curated OER
One and Tens Place Value
Counting is much easier when the objects are arranged in groups of 10! This place-value practice sheet helps young mathematicians grasp ones and tens place value through three exercises. First, they complete three missing addend...
Curated OER
Working with 10s and 1s, Part 2
Practice place value by visualizing 10s and 1s. First graders count the cubes in each place, then write the total number at the bottom. In one particularly helpful section, they draw the cubes that will add up to a given number. Bring in...
Curated OER
Make Ten Bundles
How many rolls until you get to 100? Young mathematicians will have a blast with this place value game, which has them rolling a die and placing a corresponding number of popsicle sticks in the "ones" column of their mat. Once they get...
PHET
Make a Ten
Rate the resource as a perfect 10. Pupils use an interactive to help add and subtract numbers. They first explore how to express whole numbers using hundreds, tens, and ones, then explore how to add whole numbers by combining to make...
Curated OER
Add Two-Digit Numbers
In this addition worksheet, students practice adding 6 2-digit mathematical problems. Students follow 3 steps to adding tens and ones together. Students trace 4 dotted numbers provided in 2 addition problems.
Curated OER
Carrying to Tens
in this addition worksheet, students read about carrying tens, then complete 13 problems, circling cubes as directed and solving. A website reference is given for additional activities.
Curated OER
All Kinds of Numbers
Count and compare numbers and fractions using "greater than" and "less than." Learners count on by 2s and 10s and represent the end number with base ten blocks, counters, and cups. They use circle stickers to illustrate fractions and...
West Contra Costa Unified School District
Adding Numbers
Support math instruction at home with a helpful reference sheet designed for parents. Three pages cover the subject of addition with written details and labeled pictures.
Curated OER
Ten More and Ten Less
Get learners to analyze two-digit numbers based on place value, and use manipulatives to add and subtract both 1 and 10. A place value chart is available, and you can project it during guided practice. Through visualizing numbers,...
Alabama Learning Exchange
Triple Addition Shuffle
Get those kids practicing basic math skills. They practice adding 3 numbers together by playing the game "Triple Addition Shuffle." Each pair of learners shuffles number cards together, places them face down, then flips them over to...
Curated OER
Add One-Digit Numbers to Two-Digit Numbers
In this addition review learning exercise, learners practice adding 1-digit numbers to 2- digit numbers as they solve 3 addition problems.
Curated OER
Add Two-Digit Numbers
In this addition worksheet, students practice adding 9 two-digit addition math problems involving tens, ones and regrouping. Students solve the answer to 1 test prep question and fill in the circle for the correct answer from a multiple...
Curated OER
Column Addition: Three Digits, No Carrying
In this column addition of three digits with no carrying activity, students solve 13 problems, adding the ones, then the tens, then the hundreds columns.
Curated OER
Addition Worksheet
In this addition worksheet, students add twenty pairs of two digit numbers. There is no regrouping involved in this worksheet, all answers for the ones and the tens columns are equal to or less than 9.
Curated OER
Add and Subtract within 1000
Here are some practice problems with adding and subtracting three-digit numbers. Scholars complete three addition problems and three subtraction problems. None of these involve carrying over or regrouping. There are only two numbers to...
Curated OER
Addition
Looking for addition drills for your scholars to practice adding one and two-digit numbers? You've found it! Mathematicians examine an example before finding the sum of 16 equations, each of which involves one 2-digit addend and one...
Curated OER
Two Digit Addition with Regrouping
Students explore the concept of "regrouping." In this 2-digit addition with regrouping lesson, students create visual representations of combinations that equal ten using a tens frame. Students use manipulatives to represent the tens...
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...