Curated OER
Estimating on a Number Line
In this number line worksheet, learners draw an arrow to show where 5 numbers can be found on a number line and then write what the number is that each arrow is pointing to on three number lines.
Curated OER
Rounding Decimals
In this rounding decimals worksheet, 5th graders solve 10 problems by rounding the numbers given to the specified place value, from ones to thousandths.
Curated OER
Rounding Worksheet
In this rounding worksheet, students answer 5 questions in which they use rounding to the nearest whole ten or hundreds spot. They can check their answer by clicking on the Check box next to the answer.
Curated OER
Mental Math Blocks
In this mathematics worksheet, students solve various types of problems in each of the squares. They use symbols to compare numbers. They also divide and multiply.
Curated OER
Multiplying Decimals and Mixed Numbers
Students multiply decimals and/or mixed numbers. They explore the effects of multiplying decimals and mixed numbers. They practice estimating answers when a number is multiplied by a decimal or mixed number.
Curated OER
Sunshine Math- 2
In this math applications instructional activity, students solve 6 varied problems that include estimation, money, basic operations, pictographs and geometry.
Curated OER
Subtracting Greater Numbers
In this subtraction instructional activity, 4th graders subtract 13 math problems involving 4 and 5-digit numbers. Students solve 1 word problem with a chart.
Teacher Created Materials
Estimating Quotients
In this math worksheet, students learn to estimate a quotient to see if an answer is reasonable. They complete the long division to get an exact answer in 18 problems. Detailed directions are also given on how to check a division...
Curated OER
Units Of Measure
Pupils investigate concepts relating the use of the metric system of measurement. They practice the skill of estimating units and especially which ones to use in certain problems for the most reasonable answer. The lesson includes...
Curated OER
Introduction to Decimals
Young math whizzes complete the online instruction, then solve 20 problems about identifying decimals, comparing decimals and fractions and ordering decimals.
Curated OER
Lesson 2 Ordering Numbers
Math wizards begin the lesson by comparing and ordering rational numbers. Using a number line, they discover the relationship between the numbers and practice ordering them in the correct way. They also review proper techniques for...
NTTI
Putting Together Ten
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...
Curated OER
Probability Games and Activities, Unit 10
Looking for tangible ways to practice probability with your class? Through 4 activities, students practice with experimental probability, using math to make educated guesses, then testing it through physically completing the experiment....
EngageNY
Square Roots
Investigate the relationship between irrational roots and a number line with a resource that asks learners to put together a number line using radical intervals rather than integers. A great progression, they build on their understanding...
EngageNY
Sampling Variability in the Sample Mean (part 1)
How accurate is data collected from a sample? Learners answer this question using a simulation to model data collected from a sample population. They analyze the data to understand the variability in the results.
Curated OER
It's Close Enough: Rounding and Estimation
Second graders round to the closest five, ten, and hundred. They use place-value concepts of grouping based upon powers of ten (thousandths, hundredths, tenths, ones, tens, hundreds, thousands) within the decimal number system.
Curated OER
Online Rounding Off Exercises
In this online rounding off numbers worksheet, students calculate a variety of exercises including five rounding off numbers nearest to ten, two number lines and rounding off twenty-four numbers to the nearest ten and hundred. Students...
Curated OER
Addition, Subtraction and Estimating
In this addition, subtraction and estimating worksheet, students answer 13 questions pertaining to addition, subtraction, estimating and even/odd or 2/3-digit numbers. They can click on the Check box to find out if their answers are...
Curated OER
Math Skills Review
In this math skills review worksheet, students solve 20 problems which pertain to place value, metric length conversions, placement of numbers on a number line and rounding to the nearest ten or hundred. This is intended as an online...
Curated OER
Math Review
In this math skills review worksheet, students solve 45 problems pertaining to inequalities, positive and negative integers, Roman numerals and coordinate pairs. This page is intended as an online activity, but may be completed on paper.
Curated OER
Rounding Off and Approximation
In this rounding worksheet, middle schoolers round numbers to the given place value. They draw models of each given situations. This one-page worksheet contains 8 problems.
Curated OER
Estimating Sums and Differences
In this estimation of sums and differences worksheet, 7th graders solve 20 different problems that are related to estimation of numbers. They add or subtract each problem as shown. Then, students estimate the sums and differences for...
Curated OER
Estimating Fractions
In this estimating fractions instructional activity, students solve 20 various problems that include estimation in each. They estimate the sum or difference in each of the problems shown on the sheet. Students calculate each mixed number...
Curated OER
Rounding Decimals to Hundredths (A)
In this math worksheet, students answer 60 rounding problems. All given numbers have 4 decimal places and are rounded to the nearest hundredth.