Worksheet
Curated OER

Estimating Numbers on a Number Line From 0 to 10

For Students 1st - 2nd
In this estimating numbers on a number line worksheet, students estimate the 8 whole numbers that the arrows are pointing to on 4 number lines.
Lesson Plan
Curated OER

Pumpkin Seed Experiment

For Teachers 4th - 7th
In this unique lesson students participate in a pumpkin seed experiment. Students interact with the pumpkins weight, seeds and record their findings of what lies within the pumpkin once the top of the pumpkin is cut off for observations....
Lesson Plan
Curated OER

Dividing By Two-digit Divisors

For Teachers 7th - 9th
In this dividing by two-digit divisors worksheet, learners working with a partner problem solve and calculate the answers to ten word problems and mathematical division equations.
Worksheet
Curated OER

Practice With Decimals

For Students 4th - 6th
In this decimal worksheet, learners solve decimal problems, estimating, balancing a checkbook, and finding the cost of a car using a given chart. 
Lesson Plan
Curated OER

Touring the Regions of the United States

For Teachers 5th
Fifth graders explore the regions of the United States. They use maps, research on the Internet and use measurements and estimations. Students create a presentation using spreadsheets and publishing software.
Worksheet
Curated OER

What's your Change?

For Students 6th
In this money problems worksheet, 6th graders solve 20 different problems that include money and change. First, they determine the cost of each item illustrated in the box. Then, students determine how much money they have to spend for...
Worksheet
Curated OER

Accuracy of Calculations

For Students 7th - 8th
In this accuracy of calculations worksheet, students solve and complete 4 different types of problems. First, they estimate the solution of the calculations shown. Then, students find the maximum and minimum possible values for each...
Worksheet
Curated OER

Newspaper Route

For Students 3rd - 4th
In this problem solving worksheet, students solve 4 story problems pertaining to a newspaper delivery job. Students estimate and find the solution to each problem.
Lesson Plan
Curated OER

Learning with Links

For Teachers K - 1st
Students explore the concept of counting, measuring, and estimating. In this counting, measuring, and estimating lesson, students use plastic links to count sets of links. Students measure their arms and legs using links.
Lesson Plan
Pennsylvania Department of Education

How Many Ways?

For Teachers Pre-K - 3rd
Learners estimate the amount of money they have in groups of pennies, nickels, and dimes. In this money lesson plan, students then count up the amounts they have and exchange money amounts.
Lesson Plan
Curated OER

Quadrat Sampling 101

For Teachers 4th - 8th
Students explore the population of grass plants in a given area. They plan and conduct a sampling activity to estimate the population of dandelions or the number of grass blades on the school grounds.
Worksheet
Curated OER

Heavy or Light - Aero Plane & Comb

For Students Pre-K - 1st
In this problem solving activity, students examine a picture of an airplane and one of a comb. Students select the picture of the item that is heavier.
Lesson Plan
Curated OER

Identifying Relative Value of Pattern Blocks

For Teachers 3rd - 4th
Young scholars assign value to different shapes of pattern blocks, and estimate values and use process of elimination to determine values. In this pattern block values lesson plan, students trace each block on a worksheet and use 5...
Worksheet
Curated OER

Addition, Subtraction and Estimating

For Students 4th - 6th
In this addition, subtraction and estimating learning exercise, 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...
Lesson Plan
Curated OER

Easy Estimation

For Teachers 1st - 3rd
Pupils use estimation as a math strategy. Students estimate the number of small snacks that are presented to them. Pupils count the snack items after they have estimated how many there are, before the class snack on a daily basis.
Lesson Plan
Curated OER

"Math Curse" by Jon Scieszka & Lane Smith

For Teachers 4th - 6th
Students use estimation and measurement skills to make predictions and solve problems involving length.
Lesson Plan
Curated OER

Number Line Math

For Teachers 2nd
Second graders use a number line to practice subtraction.  In this subtraction lesson, 2nd graders use a number line to count backwards.  Students participate in mad math activities and solve problems.
Lesson Plan
Curated OER

Math League Baseball: Five Week Project

For Teachers 8th
Eighth graders analyze how to use statistics, change fractions to decimal, and graph their statistics. They draft players from Major League Baseball eams and chose on player for each position, including 3 oufielders and one designated...
Lesson Plan
EngageNY

Volume of Composite Solids

For Students 8th Standards
Take finding volume of 3-D figures to the next level. In the 22nd instructional activity of the series, learners find the volume of composite solids. The instructional activity the asks them to deconstruct the composites into familiar...
Worksheet
Math Mammoth

Rounding

For Students 3rd - 5th
In this math worksheet, learners solve the problems that are based upon the skill of rounding. The answers are written into one of the 4 sets.
Interactive
Curated OER

Estimating and Rounding

For Students 6th - 7th
In this estimation and rounding worksheet, students solve ten multiplication problems by using estimation and rounding skills. This is an interactive worksheet.
Worksheet
Curated OER

Measure Mania

For Students 3rd
In this measurement worksheet, 3rd graders, working with a partner, choose two different units out of five to measure the length of their classroom. Students estimate first and then measure.
Worksheet
National Council of Teachers of Mathematics

Improving Archimedes' Method

For Students 9th - 12th
For this Archmides' method instructional activity, students determine the area of a regular n-gon inscribed in a circle.  They use sine and cosine functions to solve problems.  This three-page instructional activity contains 4...
Lesson Plan
Curated OER

Gravity, Angles, and Measurement

For Teachers 10th - 11th
Students relate math to real life scenarios. In this geometry lesson, students launch a ball tracking each launch using a graph. They analyze their data for speed, angles and distance, trying to improve on each launch.