In this estimating sums worksheet, students round each addend to the nearest ten and then estimate the sums. Students finish with one test prep question by estimating for the sum.

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...

For this estimating sums worksheet, students write a greater than or less than sign to solve the addition sentences. Students first use estimation to help them compare the numbers.

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.

In this estimating sums worksheet, students use the table with point totals from a ring toss game. Students use the total points to estimate the sums for each word problem.

In this estimating sums and differences instructional activity, students solve 6 problems in which the answer to a 3 digit addition or subtraction problem is estimated. Students then solve the problem for an exact answer. There will be...