For this decimal addition worksheet, students add two to four digit numbers with decimals together. Students complete 80 problems and 16 review problems.

Students practice their counting skills. In this counting lesson, students discover the Chisanbop method of counting which allows them to quickly count to 99 using their hands.

Second graders use black and red construction paper to symbolize different one digit numbers that add up to 10. In this sums to 10 lesson plan, 2nd graders discover different combinations and patterns that can lead them to the number 10.

In this adding one learning exercise, students add numbers in a two-column graph to find the sums by adding one to the numerals one to nine in sequence and observe the answer patterns. Students find eight sums.

For this addition worksheet, students enhance their addition skills by adding the number 8 to a number. Students add to solve the 50 problems.

In this addition learning exercise, students solve 18 problems in which the number 29, 39, or 49 is added to a two digit number. There are no hints or examples. Problems are in horizontal format for mental math.

In this addition worksheet, students solve 18 problems in which the number 19 is added to a two-digit number. No hints or examples are provided.

Students explore using mathematics to solve problems in base two. After a teacher demonstration of using base two to write numbers. students model similar problems to explore the concept of number systems in different bases. To increase...

In this addition learning exercise, 3rd graders practice solving 10 addition problems involving 2-digit whole numbers. Students put their answers in the shapes provided.

Students use pictures to identify items as ordinal numbers. In this ordinal numbers lesson plan, students use the words "before" and "after" to identify the pictures as well.

In this finding the sum worksheet, students add one and two-digits plus two-digit numbers on a page with clip art next to each problem. Students solve 15 problems.

In this finding the sums worksheet, learners add one-digit plus two-digit numbers with and without regrouping on a page with fun clip art next to each problem. Students solve 15 problems.

In this finding the sums activity, students add one-digits and two-digit numbers with regrouping on a page with fun clip art next to each problem. Students solve 15 problems.

For this finding the sum worksheet, students add one-digit numbers plus one-digit and two-digit numbers on a worksheet with a clip art next to each problem. Students solve 15 problems.

In this addition worksheet, students solve 15 addition and subtraction problems using 2-digit numbers. The answers are on the second page.

In this finding the sum worksheet, students add one-digit and two-digit numbers on a worksheet with a clip art next to each problem. Students solve 15 problems.

In this proof worksheet, students write two proofs for why they get repeated digits when following a series of math operations.  The solutions are provided.

In this adding decimals worksheet, learners add numbers with decimals that are 2 digit numbers. Students complete 10 problems.

In this addition practice worksheet, students use their problem solving skills to solve 190 problems that require them to add 2 and 3 digit numbers with carrying.

In this finding the sum worksheet, students add one digit and 2-digit numbers on a page with clip art next to each problem. Students solve 15 problems.

In this addition practice worksheet, students solve 12 problems that require them to add using 2 and 3-digit numbers. Students use their answer to reveal a mystery word.

In this triangle number puzzle instructional activity, students place the digits 1 - 9 in each box so that every side of a triangle add up to 20. They place number at each vertex with two digits between them.

For this mathematics worksheet, learners 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 by writing a...

In this finding the sum learning exercise, students add one-digit plus one-digit numbers on a page with clip art next to each problem. Students solve 15 problems.