Curated OER
Rounding Whole Numbers; Estimating Sums And Differences
In this rounding whole numbers and estimating sums and differences worksheet, students problem solve and calculate the answers to forty two mathematical equations.
Curated OER
Magic Math: sums of 2
In this addition worksheet, students add one digit numbers to the number 2 and check it with the subtraction fact. Students complete 10 problems.
Curated OER
Unknown Numbers in Sums and Differences
Beginners to addition and subtraction will have fun with these three word problems, which have accompanying visuals. They complete one problem with a missing difference, one with a missing sum, and a third with a missing subtrahend....
Curated OER
Using 10 to Add 7, 8, and 9
In this adding activity, learners learn to make a ten when adding the numbers 7, 8,or 9. After looking at the examples, students solve 10 problems with addition facts.
Curated OER
Thanksgiving Addition: Worksheet 10
Find the sum of the nineteen addition problems on this Thanksgiving-themed worksheet. Your class will practice adding two 2-digit numbers with regrouping. There is also one word problem to be solved.
Curated OER
10 More or 10 Less
Practice adding and subtracting 10 with this outer space worksheet. On the top, scholars match digits floating in stars with sums inside a spaceship. Next, they do the same with subtracting 10, connecting numbers to differences. These...
Curated OER
Converting Fractions to Decimals
These fractions need to be converted to decimals, but no calculator is needed. Scholars examine two examples which explain the process briefly before completing 16 fractions with denominators of either 10 or 100. For the next section...
Granite School District
Activities that Build Number Sense
Have fun while building the number sense of young mathematicians with this list of ten-frame learning games. From developing cardinality and counting skills to learning place value and basic addition strategies, ten-frames are excellent...
Curated OER
Addition
Looking for some straightforward addition practice? You found it! Mathematicians calculate sums between double-digit addends, using examples as guidance. There are 12 problems total. Next, they answer two simple addition word problems....
Curated OER
Adding Machines
Turn your first graders into adding machines! This is a fun way to practice single-digit addition, and scholars complete 25 equations. Each machine has a function; five numbers go into the machine, are added to, and emerge on the other...
Curated OER
Adding it Up!
These socks and towels each have three addends and are missing a sum; can your scholars figure it out? All addends are single-digit, however not all sums are. There are two examples done here, and once scholars have finished eight...
DK Publishing
Addition with 3-Digit Numbers #1
Once your mathematicians can add two-digit numbers, it's time to bring on the three-digit addends. Here are 20 practice problems, each involving two whole-number addends. Learners do not need to regroup for any of these, and they have...
EngageNY
Solving Problems by Finding Equivalent Ratios
Combine total quantities and equivalent ratios in problem solving. The fifth lesson in a series of 29 presents problems that can be solved using equivalent ratios. Pupils use part-to-part ratios and either sums or differences of the...
Curated OER
Apple Addition - To Sums of 10
In this addition worksheet, students add columns of one-digit numerals. They write their answer in the apple provided below the addition equation. There are 25 problems on a page and four pages are provided. Sums are not greater than 10....
Curated OER
Addition Practice: Sum to 10
In this early childhood addition practice worksheet, students find the sum in 42 addition problems which require them to add 1 digit numbers to 1 digit numbers.
Curated OER
Addition with sums to 10
In this addition worksheet, students add one digit numbers with sums up to 10. Students complete 12 addition problems.
Curated OER
Unknown Numbers in Sums and Differences - Step-by-Step Lesson
First grade mathematicians will love to monkey around with an illustrated word problem involving missing bananas. They must decide how many bananas the monkey ate by counting the remaining bananas and by counting the number Lee had and...
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.
New Mexico State University
Monster School Bus
Load up the bus. Pupils play a game where they control a bus to pick up a certain number of monsters for school. Learners develop strategies to make sure they have a full load and score the most rewards. As scholars work through the...
Curated OER
Ten Little Black Dots
Second graders use black and red construction paper to symbolize different one digit numbers that add up to 10. In this sums to 10 lesson plan, 2nd graders discover different combinations and patterns that can lead them to the number 10.
Math Mammoth
Grade 1 Worktext
Use graphing, counting, and number lines to help first graders learn about addition and subtraction. An array of worksheets and activities are an excellent resource for your math lesson, whether you are focusing on counting skills or...
Curated OER
Finding Solutions by Working Backwards
In this math worksheet, learners learn to solve word problems by working backwards. Students read the 20 word problems and solve them, choosing the best answer from 4 choices. There are helpful hints on the page to clue learners to work...
West Contra Costa Unified School District
Adding Numbers
Support math instruction at home with a helpful reference sheet designed for parents. Three pages cover the subject of addition with written details and labeled pictures.
Curated OER
Adding Up
Make addition visual in order to help beginners understand the concept. They add up beads on a string, examining an example before trying it on their own. Learners fill in addends and sums for these, and sometimes both. Although...