Raytheon
Adding and Subtracting Decimals
For this adding and subtracting decimals instructional activity, students add and subtract numbers with decimals in word problems. Students complete 12 word problems.
Curated OER
Tens and Ones, Tickets and Books challenge
In 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.
Math Worksheets Land
Add up to Four Two-Digit Numbers - Step-by-Step Lessons
Okay, so your scholars are excelling at two-addend addition problems, but what about three or four? Here are some practice problems to stretch their math skills. They find the sums of six equations: two with two addends, two with three...
Maths Blog
Adding/Subtracting Whole Numbers in Your Head
Exercise those mental math muscles! This learning exercise 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...
Curated OER
Adding Tens
In this adding tens worksheet, 2nd graders find the sums to three addition math problems by adding tens together. Students study the example given.
Curated OER
Counting On Tens or Ones
In this mathematics worksheet, 1st graders count on tens or ones. They identify how many ones and tens that they are counting for each. Then, students write the sum for each problem.
Curated OER
Calculator Activity: Adding Ones and Tens
In this calculator activity, students read how to add 2-digit numbers on a calculator, then use a calculator to find 8 sums.
Curated OER
Adding With Whole Tens
In this addition worksheet, students use pictures of bars and numeric problems to add whole tens and complete addition problems. A website reference is given for additional activities.
Curated OER
Money Addition (F)
For this money addition worksheet, student find the sums of money amounts up to the tens place. They regroup as needed in each problem.
Curated OER
Adding Three Numbers
In this addition worksheet, 2nd graders solve 11 three double-digit number addition math problems by lining up the numbers by tens and ones.
Curated OER
Adding and Subtracting Money
In this math worksheet, students solve problems involving money. The first problem has four questions that guide the student through the problem solving process. The final four problems are computation problems involving money, but are...
Curated OER
Adding Tens
In this math worksheet, students solve thirty addition problems. In each problem, students add two different two-digit numbers.
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
Add and Subtract within 1000
Here are some practice problems with adding and subtracting three-digit numbers. Scholars complete three addition problems and three subtraction problems. None of these involve carrying over or regrouping. There are only two numbers to...
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
Estimating Sums
In this estimating sums worksheet, students, working with a partner, practice problem solving five word problems involving estimation.
Curated OER
Adding Two-Digit Numbers
In this adding two-digit numbers worksheet, students, working with a partner, problem solve seven addition equations and word problems.
Curated OER
Regroup Ones and Tens
In this problem solving worksheet, students analyze the information on a data table about the sizes of bears. Students use the table to solve 4 problems in which addition with regrouping twice is used.
Curated OER
Abacus Work
In this abacus worksheet, students use abacus pictures to determine 5-digit sums. In this fill in the blank worksheet, students write eight answers.
Curated OER
Addition Drills, part 3
Here's an addition drill for scholars who are already comfortable with regrouping. There are 30 horizontally-aligned problems here, each with two 2-digit addends. Mathematicians use three examples as reference as they solve each of...
Curated OER
Standard written method for addition of 2-digits
In this addition worksheet, students learn how to add two 2-digit numbers together. They then use what they read to solve the 12 addition problems. That answers are on the last page.
Curated OER
Riddle Addition
In this math riddle worksheet, students solve the 6 addition problems on the page to help solve the riddle. Once they have completed the problems, they write the letters that match their answers in the boxes at the bottom of the page.
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
Adding More Than Two Numbers
In this adding more than two numbers worksheet, students, working with a partner, calculate the answers to eleven addition equations.