Curated OER
Estimating Sums
In this estimating to ten and hundred instructional activity, 3rd graders estimate 16 math problems by rounding to the nearest ten and 4 by rounding to the nearest hundred. Students answer 1 word problem and 2 multiple choice questions...
Curated OER
Dividing by Ten Riddle
In this dividing by ten riddle worksheet, 3rd graders solve ten word problems, all dividing by ten, then use the answers to solve a riddle.
Curated OER
Visual Sum and Difference Word Problems - Independent Practice
The ten prompts on this instructional activity are intended for independent practice with addition and subtraction of numbers up to 3000. Space is provided for pupils to illustrate their work. The confusing wording of some the problems...
Curated OER
Estimate Sums: Reteach
In this estimating sums worksheet, students review two steps to help them estimate to find sums. Students then round each addend to the nearest ten and use the number line for help. Students estimate the sums and write the numbers on the...
Curated OER
Estimating Sums and Differences
In this math worksheet, learners learn to estimate sums and differences by completing step by step exercises. There is one word problem which is the example, and then students can choose from other estimation activities to do with a...
Curated OER
Estimate Sums: Practice
In this estimating sums worksheet, learners round each addend to the nearest ten and then estimate the sums. Students finish with one test prep question by estimating for the sum.
Curated OER
Estimate Sums: Homework
In this estimating sums worksheet, students round each addend to the nearest ten using the number lines. Students then estimate the sum for each addition problem.
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
Estimate Sums
In this estimating sums worksheet, students round numbers to the greatest place and then add them to solve 23 problems. Students also solve 2 test prep questions.
Curated OER
Add Totals from Ten to Eighteen
In this finding the sums worksheet, students add two colored shapes, write the numerical equation, and solve. Students solve 6 problems.
Curated OER
What's Missing?
Add a challenge for your young mathematicians' adventures in double-digit addition. Instead of simply computing sums in the 9 problems, they work backwards to fill in blanks among the addends. Resource makes a terrific extension or...
TLS Books
Halloween Math Maze: Worksheet 1
After solving the twenty-six addition problems on this ghostly instructional activity, your class must find the path to the haunted house. By following the even-numbered sums, they will find the way! Answers are provided.
Curated OER
Adding Ten
For this addition worksheet, 1st graders practice adding 10 to single digit numbers to find the sums in 14 horizontal problems. They work on a page that is decorated with a clip art bunny and duck.
Curated OER
Adding Ten
In this addition worksheet, students practice adding 10 to single digit numbers to find the sums in 14 horizontal problems. They work on a page that is decorated with a photographs of a duck and a bird.
Curated OER
Using 10 to Add 7, 8, and 9
In this adding worksheet, students 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
Fun Math 30
In this finding the sum worksheet, 1st graders add one-digit numbers plus numbers to ten on a page with a fun clip art next to each problem. Students solve 15 problems.
Curated OER
Fun Math 67
In this finding the sums worksheet, students add one-digit plus one-digit numbers on a page with fun clip art next to each problem. Students solve 15 problems.
Concord Consortium
Integer Solutions
Experiment with integer relationships. Young scholars consider integers that have a sum of 10. They begin with two integers, then three, four, and more. As they consider each situation, they discover patterns in the possible solutions.
Curated OER
Estimate the Sum
In this estimating learning exercise, students round numbers to the nearest ten and estimate sums in a total of 9 problems. Answers are included on page 2.
Curated OER
Estimate Sums and Differences
In this sums and differences worksheet, 6th graders solve 20 different problems that including the estimation of numbers in each one. They estimate the sum or difference found in each problem and write it in the space provided. Then,...
Curated OER
Take Away From 10
In this subtract from ten worksheet students take away single digit numbers from ten to solve 20 equations with a fill in the blank sum.
Curated OER
Filled Addition Table of Numbers Between 1 and 10
In this interactive math worksheet, learners use the completed addition table of sums for numbers one through ten to enhance their basic addition skills. Students may access the correct answers and their scores by clicking submit.
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...
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