Estimating and Rounding - Worksheets

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Rounding - Level 1 This two page worksheet covers basic rounding. It uses number lines to help students visualize where the actual number is. Students should already know their place value up to one thousand and be able to read a number line. Student misunderstanding: Lots of students get confused with rounding. Relate it to estimating, and use number lines for visualization. Preview Print Answers

Estimating - Level 1 This one page HALLOWEEN worksheet is an estimation practice page. Students estimate the problems to the nearest whole number. After they answer the problems they shade in the corresponding shapes to create a scary picture. Key concept: Students need to understand the difference between whole numbers and decimals (pieces). Preview Print Answers

Addition using Estimation Level 1 This one page worksheet covers basic addition with estimation. It uses two digit numbers to introduce the concept. Key concept: Even though some of these problems can be done mentally, students should be practicing their estimating skills. They should be showing their work for each problem. Preview Print Answers

Subtraction using Estimation Level 1 This one page worksheet covers basic subtraction with estimation. It uses two digit numbers and order of operations to introduce the concept. Key concept: Even though some of these problems can be done mentally, students should be practicing their estimating skills. They should be showing their work for each problem. Preview Print Answers

Multiplication using Estimation Level 1 This one page worksheet uses one and two digit multiplication to introduce estimation. Helpful hint: When you're multiplying by multiples of 10 you can multiply the counting numbers and then add the 0's to the final answer. Example: 30 x 50 can be solved by multiplying the 3 and 5, and then adding the two zeros to the 15. Answer: 1,500. Preview Print Answers

Division using Estimation Level 1 This one page worksheet divides by one and two digit numbers to introduce estimation. Helpful hint: As the numbers get bigger it helps to refer to the numbers as tens. Example: 718 ÷ 92 can be estimated to 720 ÷ 90, which means you have 72 tens ÷ 9 tens or 72 ÷ 9 = 8. So 718 ÷ 92 is about 8. Preview Print Answers

Word Problems - Estimation Level 1 This one page worksheet covers estimation using word problems. Key concept: Students use their knowledge of estimation to solve real life problems. Preview Print Answers