Hi, what do you want to do?
Curated OER
Multiplying and Dividing by 10
Once young mathematicians understand how easy it is to multiply and divide by 10, they'll be hooked! They complete four sections of 12 problems each, all involving this skill. First, scholars find the product of various whole numbers...
Curated OER
Count How Many
How many now? Math beginners will benefit from this introduction to addition which doesn't even include addition symbols. They read number sentences in word form; however the numbers are in numeric form (for example, "1 and 2 more...
DK Publishing
Addition with 3-Digit Numbers #1
Once your mathematicians can add two-digit numbers, it's time to bring on the three-digit addends. Here are 20 practice problems, each involving two whole-number addends. Learners do not need to regroup for any of these, and they have...
Curated OER
Multiplying a Number by 10
A cheery presentation on multiplying whole, and decimal numbers by 10. Learners are coached to simply add a zero to the number which is being multiplied by 10. An excellent way to pass along one of the all-time best mental math tricks.
Curated OER
Fractions and Mixed Numbers
This series of math presentations by Monica Yuskaitis is outstanding! This installment teaches youngsters about fractions and mixed numbers. The graphics, examples, and text throughout this presentation are engaging and should help...
Curated OER
Mentally Add and Subtract 10 or 100
Get your mental mathletes in top form with this number sequence worksheet! They must add or subtract 10 from a number to complete these number lines, finding the missing three-digit numeral from a list of answers. Encourage verbal or...
Curated OER
Addition with sums to 10
In this addition instructional activity, students add one digit numbers with sums up to 10. Students complete 12 addition problems.
Curated OER
Make 10: Addition Strategy
What a brilliant way to present this topic! This presentation uses counters and an interactive techniques to show young mathematicians how to add numbers by creating groups of ten. The graphics make it easy to understand this concept....
Math Worksheets Land
Add up to Four Two-Digit Numbers - Step-by-Step Lessons
Okay, so your scholars are excelling at two-addend addition problems, but what about three or four? Here are some practice problems to stretch their math skills. They find the sums of six equations: two with two addends, two with three...
Curated OER
Mentally Add and Subtract 10 or 100
Here are some number lines that need to be completed. There are two number sequences, one to test addition skills and the other for subtraction. Both sequences include counting by 10, but the subtracting question has scholars count...
Curated OER
Mentally Add and Subtract 10 or 100
Don't let the title of this one fool you; scholars skip count only by 10 in this number sequence worksheet. They fill in missing numbers on a number line to complete each sequence, adding or subtracting 10. There are two addition...
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...
EngageNY
Conducting a Simulation to Estimate the Probability of an Event II
Add some randomization into simulations. The 11th installment in a series of 25 presents two new methods to use in simulations--colored disks, and random numbers. Pupils use random numbers to run simulations where the probabilities make...
Math Worksheets Land
Add up to Four Two-Digit Numbers - Independent Practice Worksheet
How many addends can you add up? Challenge your scholars to expand their skills by finding the sum of up to four addends in these 10 practice problems. All the numbers here are double-digit and learners will practice regrouping. This...
Curated OER
Addition Grid
Which of these numbers add up to 20? Scholars find various addend pairs in a grid, circling those that add up to 20. There are many pairs they can find here, and the answer sheet offers some excellent kinesthetic practice ideas for...
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...
K-5 Math Teaching Resources
Adding Mixed Numbers (Unlike Denominators)
Mix things things up in your elementary math class with a series of problem-solving exercises. Presented with a series of mixed number word problems, young mathematicians are asked to solve them by using either visual fraction...
Curated OER
Addition and Subtraction Facts to 20 - Manipulative
Here is a good lesson that will allow your student to practice their addition and subtraction facts to 20. They practice facts using fact cards and practice strategies such as doubles strategies, and count to 10 strategies.
Curated OER
Connect to Make 10 Puzzle
There are seven pairs of numbers here, each of which add up to 10. However, which ones should go together? Young mathematicians connect numbers to solve this puzzle, pairing all seven. This would work well with math manipulatives.
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 plan series begins with learners using ten-frames and hundreds charts to recognize patterns when...
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...
West Contra Costa Unified School District
The Power of Ten: Building a Magnitude Model
Add visual representation to teaching place value with a magnitude model. Using adding machine tape, pupils build a linear place value strip from 1 to 100.
CK-12 Foundation
Estimation of Whole Number Multiplication and Division: Lettuce Garden
Estimating whole number multiplication and division is the focus of an interactive that uses a garden plot with moveable points to answer six questions.
Curated OER
Addition with 1
In this addition worksheet, students add the number 1 to the numbers 1 through 10. Students complete 16 problems on 20 pages.