Illustrative Mathematics
Cynthia's Perfect Punch
Using a real-world example, this problem illustrates the thought process that learners need to engage in to understand adding mixed numbers with common denominators. First by looking at estimation, and then by drawing models that...
Curated OER
Mat 0024 Section 1.4: Signed Numbers and Decimals
This activity has a little of everything. Compare fractions, determine if numbers are less than, greater than, or equal to. Then practice lining up the decimals to add and subtract decimal numbers. Then multiply decimals remembering to...
Curated OER
Adding with Different Numbers of Digits
Expand addition concepts by challenging your pupils with these multi-digit addends. They add up numbers with up to seven digits, regrouping where needed. The first six are written vertically and the next two are horizontal. Make...
Curated OER
Addition: Getting To Ten Then Adding The Rest
In this addition worksheet, students first write the 2 numbers in an addition problem that add up to 10, then write the answer by adding 1 additional number to 10.
Curated OER
Relating Multiplication And Addition
In this relating multiplication and addition worksheet, students, with a partner, problem solve and calculate the answers to ten subtraction and addition equations.
Curated OER
Addition and Subtraction
In this addition and subtraction worksheet, students add or subtract the single and double digit problems. Students solve 14 problems.
Curated OER
Addition and Subtraction, Multiplication and Division Review
Students must use their mathematical reasoning skills in order to make four math statements true by filling in the boxes with the correct digits. Addition, subtraction, multiplication, and division problems appear.
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...
West Contra Costa Unified School District
Adding by finding 10's
Count with ten frames in a first grade addition lesson plan. Kids determine how to identify numbers on a number line, as well as with ten frames, and complete ten frames to show their answers in several addition problems.
California Education Partners
Summer Olympics
Quickly get to the decimal point. The last assessment in a nine-part series requires scholars to work with decimals. Pupils compare the race times of several athletes and calculate how much they have improved over time. During the second...
Curated OER
Ones and Tens Place Value
As scholars examine place value, these exercises help them incorporate addition and grouping. First, they answer three missing-addend questions, each with 10 as the given addend. Because all of the missing numbers are single-digit, this...
Curated OER
Adding and Subtracting Integers
In this integers instructional activity, learners 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
Adding One to Nine
Give your students a chance to review their basic addition with these twenty-five problems. All problems include single digits, and some problems add up to ten. The problems are presented as column addition problems, making it an ideal...
Curated OER
Same and Different
For this mathematics instructional activity, students first complete the tens place and then add the rest. Then they continue the patterns and compare each column. Students also fill in the missing addends and solve various word problems...
Curated OER
My Test Book: Addition and Subtraction
In this online interactive math skills worksheet, students solve 10 multiple choice math problems regarding addition and subtraction of 2-digit numbers. Students may view the correct answers.
Curated OER
Addition of Decimals
In this addition of decimals instructional activity, learners work out 9 addition problems in their heads, add $4.99 to 8 amounts of money and $9.99 to 4 amounts of money.
Curated OER
Addition of Decimals
In this addition of decimals activity, students solve 9 addition problems only in their heads and write down their answers. Students add $5.99 to 8 amounts of money and $9.99 to 4 amounts of money.
Curated OER
Carrying to Tens
in this addition worksheet, students read about carrying tens, then complete 13 problems, circling cubes as directed and solving. A website reference is given for additional activities.
Curated OER
Mental Arithmetic Sets 3 and 4
In this mental arithmetic activity, 3rd graders answer 20 short answer questions related to place value, addition, subtraction, and skip counting.
Curated OER
Word Problem Solving Strategies
In this word problem solving strategies worksheet, 6th graders solve and complete 11 different problems and questions related to identifying word problems. First, they explain what the problem is telling them to do and what is important....
Curated OER
Summer School Math Worksheets --Addition and Subtraction
In this math worksheet, students solve 100 addition problems in which 2 digit numbers are added, with and without carrying. Students then solve 100 subtraction problems with 2 digits, with and without regrouping.
Curated OER
Addition: Two Digit Mental Addition
In this 2-digit addition worksheet, students learn how to solve 2-digit math problems in their heads instead of on paper. They then solve the 20 problems on the worksheet. The answers are on the last page.
Curated OER
Addition / Subtraction Connection
In this addition and subtraction worksheet, students write addition and subtraction number sentences that relate to each other and solve word problems. Students complete 6 sets of problems.
Curated OER
Using Addition to Subtract
In this using addition to subtract worksheet, learners, working with a partner, practice problem solving six word problems and equations.