For this subtraction worksheet, 3rd graders find the missing numbers in 8 subtraction problems. They estimate the differences in 4 three and four digit subtraction problems before calculating each answer.

In this multiplication worksheet, students fill in missing numbers to arrive at given products. A reference web site is given for additional activities.

In this finding the missing odd numbers in order instructional activity, students determine odd numbers and their sequence. In this fill in the blank instructional activity, students write missing numbers in three groups.

In this number chart instructional activity, students fill in the blank for the missing numbers 0 through 99. Students have to fill in 52 missing numbers.

In this number chart worksheet, students fill in the blank for the missing numbers 0 through 99. Students have to fill in 49 missing numbers.

In this number chart worksheet, students fill in the blank for the missing numbers 0 through 99. Students have to fill in 50 missing numbers.

In this number chart worksheet, learners fill in the blank for the missing numbers 0 through 99. Students have to fill in 47 missing numbers.

In this number chart worksheet, students fill in the blank for the missing numbers 0 through 99. Students have to fill in 42 missing numbers.

In this number chart instructional activity, students fill in the blank for the missing numbers 0 through 99. Students have to fill in 49 missing numbers.

In this 100's number chart worksheet, learners fill in the missing numbers that don't appear in the chart. Students have to fill in 54 missing numbers.

In this 100's number chart worksheet, students fill in the missing numbers that don't appear in the chart. Students have to fill in 52 missing numbers.

In this 100's number chart worksheet, students fill in the missing numbers in the chart. Students have to fill in 48 missing numbers.

In this fill in the blank worksheet, students have to fill in the missing numbers that do not appear in the number line from 0 to 100. Students have to fill in 54 numbers.

In this solving various types of math problems worksheet, students add and compare totals, estimate and solve sums, determine reasonableness of an answer, and fill in missing numbers in number sentences. Students solve four problems.

Foster mental math skills with this worksheet; combine with 10-rods to modify. Twenty problems provide plenty of practice to master subracting by tens. Missing addends promote algebraic thinking. 

In this multiplication worksheet, students complete 72 vertical problems in which they find the second factor using the product and one factor. They can complete the worksheets online or print them out.

For this finding the unknown numbers worksheet, students help Detective Digit solve addition and subtraction problems, match the answers with letters, and find the name of the number thief. Students solve and match 16 problems.

In this missing digit worksheet, 4th graders fill in the missing number to the math problem. Students have to complete 30 problems where they have to figure out the missing number in the problem and the answer portion of each operation....

Writing equations from images helps young mathematicians grasp addition, especially when they get to look at cute animals as they do it. There are six number sentences here, each illustrated with a set of animals corresponding to...

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....

In this number order worksheet, students add the missing numbers by starting at the face each time. Students' objective is to recall numbers counting forwards and backwards.

For this missing numbers worksheet, students fill in the numbers that are missing in a series from 1 to 20. There are some numbers already there as hints.

Learners complete two double-digit problems, one addition and the other subtraction. They also determine the missing addend in two additional problems. An explanation as to how to solve both problems is included. 

Fourth graders explore negative numbers with this resource. They discuss positive and negative numbers by counting who is present and absent, placing numbers on a number line, and graphing temperatures. Using a variety of activities,...