Maths Blog
Adding/Subtracting Whole Numbers in Your Head
Exercise those mental math muscles! This worksheet contains 10 addition and 10 subtraction problems which require learners to compute sums or differences in their heads. A quick review at the top of the page provides a strategy based on...
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 lesson plan, learners become the manipulatives and line up to show the number stories.
Curated OER
Santa's List Sums (D2)
In this Christmas math worksheet, students solve 15 problems in which two digit numbers are added, with and without carrying. This page has the theme of Santa's list.
Curated OER
Adding Tens
In this math worksheet, students solve thirty addition problems. In each problem, students add two different two-digit numbers.
Curated OER
Binary Math - Adding
In this binary math learning exercise, students find the sum of binary numbers. They convert numbers from base two to base ten. This one-page learning exercise contains 10 multi-step problems.
Curated OER
Word problems involving number relationships
In this Algebra I worksheet, 9th graders solve word problems in one variable that are based on relationships in numbers. The one page worksheet contains thirty problems. Answers are not provided.
Curated OER
Adding: Written Questions
In this problem solving worksheet, learners answer addition questions. In this written questions worksheet, students solve ten problems.
Curated OER
Five Minute Adding Frenzy (A)
In this five minute adding frenzy worksheet, students problem solve one hundred addition equations within five minutes by writing the sum of the column and row numbers in each space.
Curated OER
Santa's List Sums
In this two-digit addition worksheet, 3rd graders add 17 sets of two-digit numbers and write each sum. A 3-part bonus question requires students to add all 17 numbers together.
Curated OER
6: Adding with Negative Numbers
In this adding negative numbers instructional activity, students solve three multi-part short answer problems. Students add negative integers. Students evaluate addition and subtraction expressions for given values.
Curated OER
Adding 4 Numbers
In this addition worksheet, 2nd graders find the missing number in 11 addition problems involving adding 4 single digit numbers together to get a specific sum.
Collaborative Learning Project
Four in a Row Addition and Subtraction
Scroll down to find four fun addition and subtraction partner game boards, complete with endless opportunities for practice with numbers 0-38. Kids choose numbers from a number box and, depending on the game, either find the sum or the...
Curated OER
Adding up the Pizza
Although not the best in terms of grammar, this addition word problem will work just fine as a guided warm-up. Because the explanation is at the bottom of the page, project this for the class, having learners do it independently, then...
Curated OER
Adding and Subtracting Integers
In this integers instructional activity, students use the integer number line to solve the problems as they add and subtract positive and negative numbers. They find the answers to 10 questions.
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,...
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...
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...
Curated OER
Addition Exercises
In this adding one worksheet, students add numbers in a two-column graph to find the sums by adding one to the numerals one to nine in sequence and observe the answer patterns. Students find eight sums.
Curated OER
Odd or Even?
There are multiple objectives at play here as scholars solve addition and subtraction problems and determine whether the sums and differences are odd or even. As they solve these, encourage pupils to observe patterns. What happens when...
Curated OER
Addition with Regrouping
Now that your class can add, introduce them to adding with regrouping. This presentation provides several models that demonstrate what happens when you regroup. There are several examples and a few practice problems to complete as a class.
Curated OER
Tens and Ones, Tickets and Books challenge
For this addition word problem worksheet, students add books of ten tickets plus additional tickets to find the totals and use the sums to answer additional problems. Students solve seven problems.
Curated OER
Add Nine to Two-Digit Number Year 3
In this finding the sums worksheet, 3rd graders add the numeral nine to two digit numbers using word problems, input forms, and number problems. Students solve 18 problems.
Curated OER
Math Handbook: Trigonometry
You'll be spinning in unit circles once you read through this jumbo-sized resource of everything you need to know about trigonometry. Each page has color-coded examples with explicit directions that detail the problems and formulas.
Curated OER
Practicing Addition Strategies
In this math worksheet, students add the numbers 5 and 6 using two different methods. They first count up from six. Students say seven, eight, nine, ten, eleven to get to their answer. The second method is to use doubles. They think five...