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...
Houston Area Calculus Teachers
Collecting Driving Data
Give AP Calculus classes the opportunity to check the accuracy of their calculations! A calculus activity involves the collection of data, the application of mathematics, and the analysis of the accuracy of results. Young mathematicians...
Curated OER
Adding Animals
Writing equations from images helps young mathematicians grasp addition, especially when they get to look at cute animals as they do it. There are six number sentences here, each illustrated with a set of animals corresponding to...
DK Publishing
Addition Practice #2
Encourage young scholars to tap into their inner math-whiz as they add three and four-addend equations. The first 36 problems each have three addends (none over two-digit), and are written horizontally. Next, they complete eight more...
Curated OER
Finding 10s
For beginners to addition, sets of objects are the ideal way to make this concept understandable. For each of these sets they ring 10 and count the remaining. Then, scholars fill in the addends as 10 and the remaining number. The sums...
Curated OER
More and Less
Mental mathematicians add and subtract 1, 10, and 100 from sets of numbers. Each set of one, two and three-digit numbers gives scholars a chance to practice their addition and subtraction skills. There are 62 whole numbers in all. What...
Curated OER
Beginning to Add Decimals Mentally
In this addition worksheet, learners solve ten math problems in which they add a single digit number and a decimal number. Students solve these problems in their head and write the answers in the boxes. The answers are available on the...
Curated OER
Count How Many
How many now? Math beginners will benefit from this introduction to addition which doesn't even include addition symbols. They read number sentences in word form; however the numbers are in numeric form (for example, "1 and 2 more...
Curated OER
Subtraction Word Problems #1
Practice subtraction skills and word problem strategies with your second graders. After reviewing the example at the top of the page, learners solve 14 word problems involving subtraction. A great way to practice mental math!
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
A Total of 10
In this addition review worksheet, students practice adding numbers between 1 and 10. Students color the grids with addition sentences that have a sum of 10, 9, 8, and 7 according to the instructions.
Curated OER
Addition
Looking for addition drills for your scholars to practice adding one and two-digit numbers? You've found it! Mathematicians examine an example before finding the sum of 16 equations, each of which involves one 2-digit addend and one...
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
Santa's List Sums (A1)
In this Christmas math worksheet, students find the sum of boys and girls who live on fifteen different streets. Students also add how many children there are all together.
Curated OER
Valentine's Day Chocolates Mystery- Sums to 198 (D)
You can find love anywhere, even in a math worksheet! Second graders solve 27 problems in which they add 2 digit numbers to 2 digit numbers with and without carrying. When they are finished, they use their answers to solve a riddle.
Curated OER
Missing Sums and Addends
In this recognizing two-digit addition facts worksheet, students use a number line and addition facts to find the missing sums or addends in problems with and without regrouping. Students solve 20 problems.
Curated OER
Add and Compare enrichment 10.5
In this addition worksheet, students add the ones columns and fill in the carry squares, add the tens, then order the sums. Students solve ten problems.
Curated OER
Add and Subtract Decimal Ten Thousandths (J)
For this addition and subtraction worksheet, students find the sums of whole numbers with decimals in the ten thousandths place value. Students solve 32 problems.
Curated OER
Decide When to Regroup homework 10.4
In this regrouping worksheet, students use paper clips to show tens and ones, determine whether there is a need to regroup, and find the sum. Students solve five problems.
Curated OER
Consecutive Integers, Sum of 100
For this secondary mathematics worksheet, students determine the number of sets of consecutive positive integers who have a sum of 100. The one page worksheet contains one problem with the solution.
Curated OER
Add Groups of Ten
In this addition instructional activity, students add groups of tens and their remainders to determine the missing addends in the pairs of 2-digit problems and then find the sums. Students solve nine problems.
Curated OER
Dinosaur Math
Students read How to Train with a T.Rex and Win 8 Gold Medals and solve math problems. In this dinosaur math lesson, students write a math story to go with the dinosaur story. Students discuss the needed strategies. Students complete a...
Curated OER
Add Fractions With Unlike Denominators reteach 10.3
In this adding fractions with unlike denominators worksheet, students observe examples of writing equivalent fractions with the same denominators and apply the example to add and write the sums in simplest form. Students add sixteen...
Curated OER
Dice Games
Games and activities are wonderful for igniting interest in nearly any topic. With a pair of dice, your class will practice their basic math and social skills at the same time. Learners battle it out to see who can roll only odds or only...