Curated OER
Checking Addition and Subtraction by Estimation
In this mathematics worksheet, students solve various equations using different methods. They estimate each answer by checking the additions and subtractions given for each. Then, students write in the decision column wither definitely...
Teach Engineering
About Accuracy and Approximation
How accurate are robots? Groups draw lines by moving robots backwards and forwards by one rotation of the wheels. Using the appropriate formula, they determine the percent error in the length of the lines in relation to the calculated...
Curated OER
Numeracy Assessment
For this math worksheet, students are assessed on their basic math skills. Included are questions on multiplying and dividing by 10 and 100, place value, basic word problems, rounding, estimating and comparing numbers.
Curated OER
Round to the Nearest Thousand
In this rounding worksheet, students examine 9 different numbers, write the 2 numbers each number falls between and then round each number to the nearest thousand. Next, students solve 15 fill in the blank problems where they round...
Curated OER
Estimate Differences
In this estimation worksheet, learners solve a total of 6 word problems that involve rounding to a given place value and estimating.
Curated OER
The Meaning of Whole Numbers
In this whole numbers worksheet, students fill in different charts asking about the place value of various whole numbers. Students complete 8 problems.
Curated OER
Estimating Pi as a Length
In this pi worksheet, students evaluate the curve of a quarter of a circle. They analyze the length of the curve, and explain that if the area under the curve is equal to pi, the length of the curve above is also equal to pi. Students...
Curated OER
Math: Addition and Subtraction
Students practice addition and subtraction skills by visiting Web sites with math games, quizzes, and related activities They play various games involving sports, racing, and catching fireflies while improving basic math skills..
Curated OER
Rounding Out
Third graders round numbers between 0 and 1000 to the nearest 10 and to the nearest 100.
EngageNY
Sums and Differences of Decimals
Sometimes dealing with decimals is so much easier than dealing with fractions. The ninth lesson plan in a 21-part module has the class consider situations when it might be easier to add or subtract fractions by first converting to...
K12 Reader
Estimation
Teach your class a thing or two about making educated mathematical guesses. Learners read a passage that explains estimation and approximate and exact answers. They then respond to five questions about and related to the text.
Curated OER
Speed Machines
In this science worksheet, middle schoolers solve each of the word problems on speed machines using the formula given and rounding their answers to the nearest tenth. Students also fill in the boxes and use a calculator to determine how...
Curated OER
Decimals: Collaborative Lesson
Students explore mathematics by participating in a group activity. In this number value lesson, students identify the uses for decimals and how to best estimate whole numbers based on decimals and fractions. Students collaborate with...
Curated OER
Subtracting Greater Numbers
In this subtraction worksheet, 4th graders subtract 13 math problems involving 4 and 5-digit numbers. Students solve 1 word problem with a chart.
Curated OER
Estimating for Accuracy
Young scholars are introduced to the topic of estimation. Using various methods, they estimate and calculate the answers with the use of a calculator. They develop a practice to always estimate answers involving percentages and use a...
Curated OER
Decimals: Worksheet 2
In this decimal activity, students solve a total of 31 decimal problems including: writing decimals, determining the smaller of 3 decimals, determining place value, rounding, filling in missing numbers and word problems.
Curated OER
Scale Factors
In this scale factors worksheet, 6th graders solve 10 different problems that include types of scale factors. First, they determine the missing dimensions in each problem. Then, students round their responses to the nearest tenth before...
Curated OER
Introduction to Decimals
In this math worksheet, students are introduced to decimals by first studying pattern blocks showing a number with tens, ones and tenths. Students locate decimals on number lines and rulers and shade decimal pictures. Students compare...
Curated OER
Find The Best Estimate
For this math worksheet, students find the best estimate by using the skill of rounding. The answers are written in the spaces at the bottom of the page.
Curated OER
Estimating Products
In this math worksheet, students round numbers to their leading digit. They multiply the results to find the estimation of the exact answer. Students estimate and then find the exact answer on six problems.
Curated OER
Spending Spree
Students collect objects to use in a classroom store. In groups, they must place a value on each object and take turns spending their fake dollar in the store. They predict how much they can buy and use addition and subtraction to...
Curated OER
Estimating Products with Decimal Movement
In this estimating products with decimal movement worksheet, 5th graders multiply to complete the table, then answer three questions about the patterns in the movement of the decimal point.
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 to...
Curated OER
"Eggs-ploring" Math with Jellybeans
Learners work in pairs with a small bag of jellybeans to estimate the number of candies in their bags and then figure out how many groups of 10 jellybeans are contained in their bags. They then graph the information using a pictograph or...