Curated OER
Addition and Subtraction Problems: numbers to 20
You'll never be out of subtraction worksheets again. Here are 11 different sheets that require learners to add or subtract to find sums or differences up to or less than 20. Perhaps these can be used at home, at a work station, or to...
Curated OER
Numbers 1-20
Count along as a class! Each slide contains a number and objects to count, 1-20. The images are fun and as they reach 10+ are grouped by ones and tens. This resource could be used in a variety of ways, is well put together, and has fun...
Curated OER
Ordering to 20
Given a series of number lines, learners fill in missing number from 1-20 using the number pool provided. They add each number untill the number line is complete. This is a great activity to foster counting skills, number ordering, and...
Curated OER
Addition and Subtraction: numbers to 20
Does your school encourage learning math facts or fast facts? If it does you can definitely use this resource. There are 20 lists, each list contains 10 problems, and each problem set focuses on adding and subtracting specific numbers,...
Curated OER
Counting From 1 to 20
Children are given a mixed up number chart 1-20, and are asked to sort out all the even, odd, prime, and composite numbers. This worksheet is intended for 2nd grade but may not be suitable for learners under 10 or those who have not yet...
Curated OER
Dusty Digits: 0 to 20
How many is this? Practice number value recognition between 0 and 20 using this interactive activity idea. It's all here for your easy use: cut and laminate the twenty-one individual cards, each labeled numerically 0-20. Also cut out the...
Curated OER
Combinations to 20
Ten frames are a great way to help visualize simple math problems, evidenced in this clear and concise word problems learning exercise. Each question features two ten frames for learners to use as they solve. All numbers are 20 or less....
Math Salamanders Ltd.
Missing Subtraction Facts to 20 sheet 2
They can tackle this instructional activity once your class has mastered basic double-digit subtraction. They'll need to find the missing subtraction facts to 20 that complete each problem.
Curated OER
Let's Count to 20
Budding mathematicians create groups of 10 to 20 objects using numerals to record the size of a group. They construct sets of numbers up to 10, write the numerals up to 10, and count up to 10 rationally. Students also use ten frames and...
Curated OER
Count the Dots: 10 Plus More Makes 11-20
Young math learners count and circle a group of 10 dots. They count on the extras, and write the corresponding number between 11 and 20 in a box. Nine practice problems in all.
Curated OER
Practice Numbers 11-20
Your small-handed mathematicians practice tracing and writing numbers from 11 to 20 in this straightforward instructional tool. Trace 3 times; write several more.
Maths Blog
Make 20
There are quite a few ways to make the number 20 through addition. Learners fill in missing addends to reach the sum of 20 then answer additional related questions. This is a good resource because it has the class both add to 20 and...
Anti-Defamation League
Harriet Tubman on the $20 Bill: The Power of Symbols
How important are symbols and symbolic gestures in society? Middle schoolers have an opportunity to analyze the importance of symbols on American currency with a lesson that investigates the controversies surrounding redesigning the $5,...
Curated OER
Number Bonds to 20
Showcase all the different ways one can pair numbers, resulting in an answer of 20. Cute images such as, a cup and water, tennis racket and ball, and a soccer ball and net help kids make the addition connection. This is a great...
Curated OER
Missing Numbers 1-20
Learners are presented with a series of number lines, each one is missing a number from 1-20. They click on the number options at the bottom of the page to fill in the gap on each number line. This activity would be great at an...
Curated OER
Counting to 20
For this counting worksheet, students count sets of objects, writing total beneath each set. Worksheet is practice for numbers up to 20. A reference web site is given for additional activities.
Curated OER
Basic Subtraction Fact Worksheets to 20
Print this worksheet and have your helper pass it out. The class can use it to practice subtracting single and double-digit numbers up to 20. Some borrowing is required.
ESL Kid Stuff
Numbers 1-20
Language learners engage in a series of games and activities designed to help them recognize and name the numbers from ten to twenty.
Curriculum Corner
Number Cards 1–20
Reinforce number identification with a set of colorful cards showcasing numbers 1 through 20.
Curated OER
Counting to 20
For this counting to 20 worksheet, students count the numbers that come before and after the given numbers. Students complete 24 examples.
Curated OER
Counting to 20 (Sheet #2)
In this counting worksheet, students recognize numbers from 1 to 20. Students practice counting by using pictures and counting the total number of objects.
Curated OER
Addition Up to 20, Sheet 3
Adding numbers up to sums of 20 is the focus of this learning exercise. Pupils complete a set of 24 problems by adding numbers to 20. A number line and reference website is given for additional activities.
Math Salamanders Ltd.
Subtraction Up to 20 — Sheet 2
Challenge your class with 20 subtraction problems. Learners will subtract single and double-digit numbers up to 20 with a number line.
Curated OER
I Can Write My Numbers 10-20
Strengthen fine motor skills for writing with a practice sheet for numbers from 10 to 20. Your math scribes write the numbers (following the provided models) 7 times each. Grid design looks like a chart.
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