Curated OER
Add and Subtract Within 20
Break down addition and subtraction into short sentences using this brief worksheet. Each question prompts scholars to make a number by doing three math operations. For the first, they make 10 by adding three, adding five, and...
Curated OER
Add and Subtract within 20
The sums and differences only reach 20 in this arithmetic worksheet. Scholars answer 10 simple number sentences, some involving two numbers and others with three. They choose the correct answer from a list on the right. There are the...
Curated OER
Add and Subtract within 20
Here is a more interesting way to practice addition and subtraction number sentences. Learners complete two sum boxes, adding across and down then totaling for a final sum. They do the same with subtraction in two more boxes. Finally,...
Math Worksheets Land
Add and Subtract Within 20 - Independent Practice Worksheet
Young mathematicians draw pictures to help them solve a series of addition and subtraction word problems. The final problem in the set of ten is a bit fishy because Nikki caught some fish, threw those back, and then caught some more.
Curated OER
Add and Subtract within 20
These true equations are missing numbers. Scholars examine a set of possible answers to fill in each of the nine equations. Consider covering up the answer options, as it may be more helpful to have learners simply figure these out...
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...
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.
Curated OER
Same As
Explore the concept of the equals symbol. In this mathematical symbols lesson plan, learners discover the meaning of the equals sign (symbol). They also construct addition and subtraction sentences to understand the concept of equal parts.
Curated OER
Addition and Subtraction within 10
In this addition and subtraction instructional activity, 1st graders add and subtract in word problems up to the number 10. Students complete 20 problems total.
Alabama Learning Exchange
Mix it Up! Exploring the Commutative and Associative Properties of Addition
Examine commutative and associative properties with your class. They'll explore the relationships between addition and subtraction and investigate patterns as they solve addition problems. Links to an assessment and a table game are...
Curated OER
Making a Ten
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...
Curated OER
Subtraction Worksheet: Numbers to 19
In this subtraction worksheet, students solve 36 problems in which numbers below 20 are subtracted. The minuend has two digits and the subtrahend has only one.
Curated OER
Addition and Subtraction in Center Time
First graders complete center activities as they practice their addition and subtraction skills. They listen to Rick Walton's, "How Many, How Many, How Many" before playing games, and completing addition and subtraction worksheets at...
Curated OER
Add and Subtract to Get Four
Explore the many paths to get to four in this addition and subtraction worksheet! Learners walk through the steps of the options: adding two numbers, adding three numbers, and subtracting two numbers. They examine which numbers could be...
Curated OER
How Many Under the Shell?
Children discover basic addition and subtraction facts. They play an online game in which they practice addition and subtraction facts. This could be a perfect computer lab activity for your students to engage in.
Curated OER
Subtracting from Ten: Using Math with Music
Students explore basic math functions by singing with their classmates. In this addition and subtraction lesson, students sing the song "5 Green and Speckled Frogs"and complete a list of subtraction problems. Students complete a...
Curated OER
Subtraction - Numbers to 19 ( 3 of 3)
In this subtraction learning exercise, students find the differences in 30 vertical problems which use numbers up to nineteen. They do not regroup as they solve the problems in which they subtract a single digit number from a two digit...
Curated OER
Addition: Number Bonds to 10
You have the answer and a variable, but something is missing! The class fills in the missing addend in 23 practice problems that all add up to 10. This is a great way to build number sense, pattern recognition, and automaticity.
Curated OER
Balancing Discoveries
Students use a balance to help them with their addition facts. In this addition lesson plan, students also play the seven up game to memorize their facts.
Curated OER
Mathematical Balloon Pop
First graders study addition and subtraction. In this mathematics and physical education instructional activity, 1st graders pop balloons and solve math sentences involving addition and subtraction inside each balloon.
Curated OER
Ten Frame
Students add numbers to ten. In this addition to ten lesson, students play the Ten frame interactive game to learn about addition and facts to number ten.
Curated OER
Subtraction Worksheet : Numbers to 19 (1 of 3)
For this subtraction worksheet, students find the differences to 53 horizontal and vertical subtraction problems. They work with numbers up to 19 and do not regroup while working.
Curated OER
Addition: Sums to 18
In this addition worksheet, students complete a total of 30 problems, all answers to problems total 18 or less. Worksheet included links to answers and additional worksheets.
Curated OER
Subtraction - Numbers to 12
In this subtraction worksheet, 1st graders solve for the differences in 30 vertical problems in which they use numbers up to 12.