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
Add up to 20
For this adding up to 20 worksheet, students try to match each line of the rectangle to add up to 20 using any whole numbers they choose. Students have 6 blanks to fill in and 2 questions at the end.
Curated OER
Number Writing 0 - 20
A straightforward tool for practicing writing numbers 1 through 20. Young scribes trace each number once, then write it independently. Ideas for games to make practice more fun and to extend understanding of the sequence of numbers...
Curated OER
Writing Equations: Subtraction 0 to 20
Here are 9 subtraction problems all resulting in differences less than 20. Each problem is worded a different way: take away, minus, or subtract _ from _. This is great because it demonstrates the various ways subtraction problems may be...
Curated OER
Drawing to 20
In this numbers up to 20 worksheet, students draw the objects to match the number in each box. Students draw objects for 18 problems.
Curated OER
Counting Houses 1-20
What if your pre-k or kinder class was learning about dwellings or houses and you needed a house themed counting activity? You'd just need to click on this link and download this house themed slide-show. It shows numbers 1-20 alongside...
Math Solutions
Race to 20
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...
Have Fun Teaching
Earth Day Number Practice 0-20
How many trees can your pupils plant? Practice numbers 0-20 with several related activities. For the first, kids match images of trees to numbers. They then match the number symbols to number words, using a word bank. The final activity...
Illustrative Mathematics
$20 Dot Map
Challenge the addition skills of young learners with this open-ended math problem. The task is simple, get from start to finish by connecting a series of three numbers. The trick is that the sum of the numbers must be less than or equal...
Curated OER
Black Tiger Academy Martial Arts Fitness Unit - Lesson 20
“A primary reason for communication is to reach UNDERSTANDING — not necessarily AGREEMENT.” Black Tiger Academy’s final martial arts instructional activity of 20 is bringing it all together to review what has been learned in the previous...
Curated OER
20 Tickets
A great hands-on activity involving adding and subtracting, beginner mathematicians determine how many games can be played with 20 tickets. Instead of tickets, youngsters use 20 counters or linking cubes to represent the amount of...
American Psychological Association
Top 20 Principles from Psychology for PreK–12 Creative, Talented, and Gifted Students’ Teaching and Learning
Who knew getting a better grasp on learning and psychology requires understanding only 20 principles? The resource, especially ideal for high school Psychology, discusses 20 important principles that debunk common myths and provide...
Houghton Mifflin Harcourt
Addition and Subtraction Facts to 20
First graders act out number stories from number cards. In order to learn about addition and subtraction up to 20 instructional activity, learners become the manipulatives and line up to show the number stories.
Curated OER
ASL: Lesson 20
Teach it, learn it, communicate with it. ASL is at your fingertips with this sign language series. Lesson 20 focuses on classifiers, descriptive vocabulary, and asking questions. Each blue link on the page takes you to an image or video...
Helping with Math
Addition: Number Bonds to 20
Pupils fill in the missing addend to an addition problem that adds up to 20. This number could be a one-digit or two-digit number. They complete a total of 41 missing addend problems. Answers are available.
Primary Resources
Number Bonds to 20
Kids can add their way to 20 with this cute bug-themed presentation. Each slide contains an addition sentence that adds up to 20 and various insect images for little learners to count. It's a highly visual resource that can be used when...
K-5 Math Teaching Resources
Large Ten Frame 11-20 (With Numbers)
An excellent way to review math ten frames, this series of posters reminds kids how to mark numbers 11-20. Each pages features a ten frame with the first ten spots filled out to indicate 10, then additional frames to indicate how many...
Curated OER
Tens and Ones Fun
Youngsters use their large motor skills to build numbers to 20 in this outdoor, kinesthetic, collaborative activity. Amass cardboard boxes for groups to stack, sort, and bundle into 10s and 1s to show numbers and place value. They'll...
Math Salamanders Ltd.
Subtraction - Up to 20, Sheet 3
In this finding the differences activity, students subtract one-digit and two-digit from numbers to twenty. Students solve 40 problems.
Curated OER
The Catcher in the Rye: Chapters 20, 21, and 22 Selective Reading Guide
Here's reading guide to help guide your high schoolers through chapters 20, 21, and 22 of The Catcher in the Rye. In addition to the nine questions listed, there's a teacher guide attached to help your class develop a strategy for...
Curated OER
Colorful Math - Subtraction Facts to 20
Parrots are colorful birds and make for some colorful math. Learners subtract to find answers in order to determine how the parrot should be colored. There are 16 problems to solve.
Curated OER
Numbers and Number Parts to 20
The class uses pictures of Nick's sticker sets to count and add the number groups of stickers in each set. The image of Nick's sticker sets would also be a good way to represent part/whole for setting up rational for fractions.
Curated OER
Counting from 1-20 - Odd and Even Numbers
For this number recognition worksheet, 2nd graders examine a number chart that includes the numbers 1- 20. They record all of the even numbers on one line, and all of the odd numbers on a second line.
Curated OER
Make 20
In this making 20 instructional activity, students determine pairs of numbers that added together make 20. In this fill in the blank instructional activity, students solve thirty-four problems.
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