Assessment
Illustrative Mathematics

One, Ten, and One Hundred More and Less

For Students 2nd Standards
What's 1 more or less than a number? What's 10 more or 10 less than a given number? What's 100 more or 100 less than a number? These are the types of problems learners must answer in a six-question worksheet.
Lesson Plan
Math Solutions

Race to 20

For Teachers K - 2nd Standards
And they're off! Working in pairs, young mathematicians roll dice to see who can fill in their double ten-frames first. When students finally fill in their arrays, they create addition number sentences that represent their rolls, helping...
Worksheet
Curated OER

Adding Up

For Students 1st - 2nd
Make addition visual in order to help beginners understand the concept. They add up beads on a string, examining an example before trying it on their own. Learners fill in addends and sums for these, and sometimes both....
Lesson Plan
Scholastic

Adding and Subtracting Ten

For Teachers K - 2nd Standards
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...
Lesson Plan
Illustrative Mathematics

The Napping House

For Teachers Pre-K - 1st Standards
How many people and animals can cram into a single bed? Find out with this cross-curricular math and language arts lesson. Following along with a reading of the children's book The Napping House by Audrey Wood, young mathematicians...
Lesson Plan
West Contra Costa Unified School District

The Power of Ten: Building a Magnitude Model

For Teachers 4th - 5th Standards
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.
Printables
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K-5 Math Teaching Resources

Ten Frame

For Teachers Pre-K - 2nd Standards
Engage young mathematicians in building their number sense with this set of ten frame printables. Whether you're teaching pupils how to count, add, or subtract, these tools offer children tremendous support with...
Activity
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Granite School District

Activities that Build Number Sense

For Teachers K - 2nd Standards
Have fun while building the number sense of young mathematicians with this list of ten-frame learning games. From developing cardinality and counting skills to learning place value and basic addition strategies, ten-frames are excellent...
Worksheet
Curriculum Corner

Spring Find a Fact Addition

For Students 1st - 3rd Standards
Test scholars' knowledge of addition facts with a festive worksheet that makes adding a two-person game. Pairs examine a grid of numbers to locate and color addition facts. Last person to color three squares wins! 
Lesson Plan
Scholastic

Tell Us a Tale: Teaching Students to Be Storytellers

For Teachers 3rd - 8th Standards
Encourage scholars to retell their favorite short story or folktale, adding personal details to make it their own. After reading their book of choice several times, story tellers retell a tale verbally to their classmates. 
Worksheet
Kuta Software

Adding Positive and Negative Numbers

For Students 5th - 8th Standards
Put your learners to the test and practice adding and subtracting with a variety of different numbers. Integers, decimals, fractions – it's all there to help your learners practice their skills with negative numbers. The first page of...
PPT
Curated OER

Understanding Place Value: Base Ten Models

For Teachers 2nd - 3rd Standards
As an overview of place value involving numbers in the hundreds, this resource would be incredibly beneficial. There are only a few examples, but the graphics make this concept come alive. In a lower grade classroom, this presentation...
Printables
Have Fun Teaching

Base 10 Blocks

For Teachers Pre-K - 4th Standards
Base ten blocks are a great tool for teaching young mathematicians about a number of math concepts, unfortunately they aren't always available to teachers. That is, until now. This printable resource allows all...
Lesson Plan
Primary Junction

Adding Tens

For Teachers 1st - 4th Standards
Build on your learners' confidence in quick addition as they discover strategies to add tens to two-digit numbers. After reviewing counting by 10's, they discuss tactics to add multiples of 10 to other numbers. They visualize how to...
Worksheet
Inspired By Kindergarten

Numbers 1-10

For Students Pre-K - K
Preschoolers and kindergartners can master numbers 1-10 with a set of math worksheets. Each page features one number that kids trace, represent with tally marks, and write what number they will have after adding or subtracting 1.
Assessment
Illustrative Mathematics

Multiples of Nine

For Students 4th Standards
Which numbers are multiples of 9? Task class members to find the first ten multiples of 9 in a straightforward assessment worksheet.
Lesson Plan
Illustrative Mathematics

Many Ways to Do Addition

For Teachers Pre-K - 1st Standards
A great aspect of teaching math is that children have the freedom to solve problems using a variety of different strategies. The focus of this instructional activity is for young mathematicians to become aware of many ways of answering...
Lesson Plan
Illustrative Mathematics

Adding Tenths and Hundredths

For Teachers 3rd - 5th Standards
Learning to add fractions with different denominators presents a big hurdle for many young mathematicians. Simplify the process for learners with this series of practice problems involving the friendly fractions tenths and hundredths....
Worksheet
Curated OER

Mentally Add and Subtract 10 or 100

For Students 1st - 2nd
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...
PPT
Curated OER

Fraction X - Adding Unlike Denominators

For Teachers 5th Standards
Adding fractions with unlike denominators is a difficult process to master. This fine presentation does a terrific job of leading young math whizzes through the steps necessary to perform this calculation. The slides have clear graphics,...
Lesson Plan
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Smithsonian Institution

A Ticket to Philly—In 1769: Thinking about Cities, Then and Now

For Teachers 4th - 8th Standards
While cities had only a small fraction of the population in colonial America, they played a significant role in pre-revolutionary years, and this was certainly true for the largest city in the North American colonies: Philadelphia. Your...
Worksheet
Curated OER

10 More or 10 Less?

For Students K - 2nd Standards
Take a rocket to the stars with using a math worksheet. Here, four sets of alien saucers, moons, rockets, and stars prompt young learners to match numbers with one more or ten more. Color the pictures for extra fun when learners are...
Lesson Plan
Curated OER

Making a Ten

For Teachers 1st - 3rd Standards
An addition table supports third graders as they learn strategies to improve their math fluency. When finding sums greater than ten, students are taught how to first make a ten and then add on the rest. A similar method is also...
Worksheet
Curated OER

Multiplying by 10

For Students 2nd - 4th
Multiplying by 10 is simple, but do your scholars know the trick? They look at four examples; if you haven't learned this yet, see if they notice a pattern in these answers. They multiply 70 numbers by 10. Most are two-digit, but a few...