Your class can learn all about inverse operations. They will review what inverse operations are, see examples, learn how to use inverse operation to check an answer, write addition and subtraction equations in the inverse, and use the...

Slide the coefficients to determine sums of polynomials. The interactive contains sliders to change the coefficients of an addend in a polynomial addition problem. Pupils determine the coefficients of the addend to arrive at particular...

For this problem solving worksheet, students calculate and solve 52 questions or equations having to do with a variety of math concepts and strategies.

In this addition worksheet, students fill in a missing addend to arrive at a given sum, 7 problems total. A reference web site is given for additional activities.

Use these missing-addend problems to help your beginning mathematicians practice addition facts. They read sentences and solve, making 10 from different single-digit numbers. Each of these four problems is formatted differently, so the...

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...

Do you add or subtract? It's up to your mathematicians as they fill in the symbol for 16 equations to make them true. The numbers in this section don't exceed 18. Next, learners answer six word problems by determining the missing addend...

Groups explore sets of 10 items in two varieties (i.e. 3 white buttons and 7 black ones, or 5 bears and 5 bunnies). They brainstorm about their objects, write math sentences to represent what they have, and report their discoveries...

For this missing addends worksheet, students fill in the missing sums and addends for the addition questions. Students solve 20 problems.

For this missing addends worksheet, students fill in the missing sums and addends for the addition questions. Students solve 20 problems.

In this missing addends worksheet, students fill in the missing sums and addends in the addition questions. Students solve 20 problems.

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....

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...

Tackle these tables. A performance task has learners complete two puzzles using addition and subtraction. They must fill in tables with missing addends, sums, minuends, subtrahends, or differences.

Learners view three problems involving adding or subtracting with ones and tens. Each problem is followed by an explanation and an answer as to how the problem should be done. Note: This resource contains incorrect grammar and could be...

In this addition worksheet, 1st graders write down the addends that make up 5 and 6. They match addition problems to the sums 5 and 6, and find the missing addends in 10 problems. They compare equations to 5 and 6 using the symbols for...

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...

Second graders find missing addends by solving math word problems. In this missing addend lesson, 2nd graders work in a whole group setting to find the missing addends in word problems before using the strategies to work independently....

For this place value worksheet, students add numbers that are all in different place values and fill in missing addends for different place values. Students complete 40 problems where the numbers are in expanded notation form.

In this division worksheet, learners fill in the missing addends that are multiples of either 10s or 100s to the problems. Students complete 40 problems.

In this missing addend worksheet, students fill in one missing addend in a problem in order to arrive at a given sum. All sums equal either 8 or 9. Worksheet has a reference web site for additional activities.

In this missing addends activity, students fill a the missing addends to reach sums between 2 and 5. A reference web site is given for additional activities.

In this addition worksheet, 2nd graders work toward finding the missing addends. students complete 3 problems using the given problems and pictures for visual assistance.

These equations are missing numbers, and scholars must process multiple operations to complete them. There are addition, multiplication, and division problems here, each missing an addend, divisor, or factor. After completing 24 of these...