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### We found 19 resources with the keyterm cardinality

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#### Penguin Man

For Teachers Pre-K - K Standards
These penguins are hungry and it's the job of your young mathematicians to feed them. Each of these large penguin templates has a number printed on it corresponding with the number of goldfish crackers students need to place on it. This...
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#### Fishbowl Counting

For Teachers Pre-K - K Standards
Young mathematicians demonstrate their understanding of cardinality with this simple math worksheet. Given a series of ten empty fishbowls, learners are asked to draw in the number of fish indicated on each bowl.
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#### How Many Spots are on Each Ladybug?

For Teachers Pre-K - 1st Standards
The ever popular ladybug serves as a excellent tool for developing the number sense of young mathematicians on this math worksheet. Presented with a series of colorful pictures, children practice counting and writing the numbers 1-10 as...
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#### How Many in My Home?

For Teachers Pre-K - 1st Standards
Engage young mathematicians in practicing their counting skills while learning a little about the home environment of your students with this simple worksheet. By asking students to determine the number of windows, doors, rooms, people,...
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#### Unifix Cubes

For Teachers K - 2nd Standards
Support young mathematicians with building a strong foundational number-sense using this series of printable Unifix® cube strips. Adaptable to the teaching of a variety of different concepts, from basic counting and cardinality, to...
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#### Sort and Count II

For Teachers Pre-K - 1st Standards
Capture the engagement of young mathematicians with this hands-on sorting activity. Given a bag of objects, students work independently sorting the items based on their physical attributes, counting to determine the size of each group....
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#### 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 add...
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#### Ten Frames

For Students Pre-K - 1st Standards
Developing a strong number sense in the primary grades is essential to the success of young mathematicians. These simple worksheets present learners with a series of ten-frames, asking them to write the number shown in each model....
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#### Ten-Frames – A Games Approach to Number Sense

For Teachers K - 3rd Standards
"How can you help students visualize numbers in a way that is compatible with our base-ten number system?" The answer is simple: use ten-frames. Whether they're being used as a part of classroom routines or as instructional tools, this...
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#### Position Within a Set

For Students 1st - 2nd
Your learners will have no problem relating to this word problem involving a toy car race: there are three cars, and they come in first, second, and third place in a race down the driveway. Learners analyze the data by writing the...
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#### Kindergarten: Counting and Cardinality

For Teachers K Standards
Ask your young counters to justify their placement of numbers on game boards. Working in pairs and using dry erase markers, learners must justify their placement of missing numbers around anchor numbers, demonstrating their ability to...
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#### Wheels All Around

For Teachers K - 2nd Standards
Budding mathematicians explore the concept of skip counting. They practice skip counting as they use it to determine the number of wheels that come to school at 3 different times throughout the day. They also create a data graph to show...
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#### Ten Frame Practice

For Teachers Pre-K - 2nd Standards
Ten-frames are great visual tools that support the development of number sense in young mathematicians. A multitude of ten-frames are included in this slide show that provide learners with practice with quickly and fluently identifying...
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#### Number Insects

For Students Pre-K - K
Youngsters color the number of insects that coincide with the number that is given for each of the seven problems. The simple worksheet also directs young writers to trace the number that is given. Ideal for children that are beginning...
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#### Show That Number

For Students K
Kindergarteners draw dominoes to match a number of objects to a given number. Numbers 1-5 are listed and illustrated with a domino. Young counters then draw the correct number of tiles and include the correct number of dots on each tile.
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#### Fill In the Missing Numbers: 1-10

For Students K - 1st
Mathematical scribes have 6 opportunities to fill in missing numbers in series of 10. Enlarge the image before reproducing. Children for whom this work is developmentally appropriate don't yet have the fine motor control to write in...
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#### Let's Count! (Teachers' Page)

For Teachers K - 1st
Learners practice counting using a website "Let's Count". They point to each object and count and pull down a tab to check their answers.
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#### Infinity and Cardinality

For Students 7th - 8th
In this infinity activity, students determine a one-to-one correspondence between two finite sets. They discuss the relationship between the cardinalities. This one-page activity contains two problems.
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#### Cardinality and Power Set

For Students Higher Ed
In this cardinality worksheet, students identify the cardinality of a finite set. This one-page worksheet contains eight problems.