Lesson Plan
Curated OER

Estimation 2: Sum and Difference

For Teachers 6th - 7th
For this estimation worksheet, learners mentally solve eight multiple choice problems involving addition and subtraction. They arrive at their answers through the process of using compatible numbers or rounding. Students read story...
Worksheet
Curated OER

Add Whole Numbers

For Students 4th - 5th
In this addition worksheet, students solve 6 problems in which larger numbers will be added with carrying. These are story problems. Students write the number sentence needed and solve.
Worksheet
Curated OER

Estimating the Cost of Shopping

For Students 3rd - 4th
In this math activity, students choose 20 items from a shopping list that includes the price of each food. Students estimate the cost of the list and then figure out the actual cost.
Worksheet
Helping with Math

#5: Addition & Subtraction Equations (1 of 2)

For Students 6th - 8th Standards
Single-step addition or subtraction operations are applied in order to solve these 12 simple equations. An answer key is available, not so much for you, but perhaps to be used by learners as a self-correction tool. Note that the...
Worksheet
Helping with Math

#6: Addition and Subtraction Equations (2 of 2)

For Students 7th - 8th Standards
This printable contains 12 basic equations to be solved. The first one is worked out as an example, and the answers for all can be found by clicking on a "Show Answers" box found on the website. The publisher has identified this as...
Worksheet
Curated OER

Smarties Investigation

For Students 3rd - 4th
In this math worksheet, students participate in an investigation of Smarties candy. For example, students estimate how many candies they have in each color, count the actual number, and record the information in a tally chart.
Handout
Charleston School District

Estimating Values of Expressions

For Students 8th Standards
You can't evaluate an irrational root expression without a calculator—or can you? Scholars estimate the value of roots within an expression to approximate the value of the expression. Expressions include a mix of square roots and whole...
Activity
Illustrative Mathematics

Traffic Jam

For Teachers 6th - 9th Standards
How many cars would be involved in a traffic jam 12 miles long? A slightly ambiguous writing prompt gives learners the opportunity to practice making reasonable assumptions to tackle a real-life problem. Few details are given, so they...
Interactive
Curated OER

Grade 5 Basic Math

For Students 5th
In this grade 5 math worksheet, 5th graders answer a set of 22 multiple choice problem solving and estimation questions. Worksheet may be completed on-line and answers submitted.
Lesson Plan
Curated OER

Study Buddies: Adding Decimals

For Teachers 2nd - 3rd
In this math worksheet, students will work with a coach to add numbers with decimals to the hundredths place. Students will follow a step-by-step process and notes are provided for the coach.
Worksheet
Noyce Foundation

Time to Get Clean

For Students 3rd - 5th Standards
It's assessment time! Determine your young mathematicians' understanding of elapsed time with this brief, five-question quiz.
Lesson Plan
Curated OER

Estimation 4: Sum and Difference

For Teachers 6th - 7th
In this estimation worksheet, pupils read story problems, determine the correct operation, and mentally evaluate the problem by using compatible numbers or through the process of rounding. Students complete three multiple choice problems.
Lesson Plan
Illustrative Mathematics

Cynthia's Perfect Punch

For Teachers 3rd - 5th Standards
Using a real-world example, this problem illustrates the thought process that learners need to engage in to understand adding mixed numbers with common denominators. First by looking at estimation, and then by drawing models that...
Worksheet
Curated OER

Estimating Sums and Differences

For Students 7th
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...
Assessment
1
1
California Education Partners

Animals of Rhomaar

For Students 7th Standards
Investigate the growth rates of alien animals. Pupils study fictional animals from another planet to determine how much they grow per year. The investigators plot the growth of their animals over a period of time and then compare...
Worksheet
Curated OER

Estimating

For Students 2nd - 4th
In this addition learning exercise, students estimate the value of the addition problems to the nearest 10. Students complete 8 estimation problems.
Worksheet
Curated OER

Quick Quiz: Estimating and Rounding

For Students 5th
In this rounding and estimating worksheet, 5th graders solve 8 addition, subtraction, and rounding problems. Problems ask students to solve, round, estimate, or write the words in number form after reading the word form. 
Worksheet
Curated OER

Add and Subtract with Unlike Denominators

For Students 5th - 8th
In this adding and subtracting with unlike denominators worksheet, learners add and subtract fractions with unlike denominators. They complete six problems.
Worksheet
Curated OER

Decimals - Mid Chapter Quiz

For Students 5th - 7th
Here is a decimals worksheet in which learners complete a quiz asking about least to greatest, standard form, sums, and more having to do with decimals. They complete eight problems.
Lesson Plan
Teach Engineering

Discovering Phi: The Golden Ratio

For Teachers 6th - 8th Standards
Fe, phi, fo, fum. This activity leads pairs to find the ratio of consecutive terms of the Fibonacci sequence. The pairs find that the Fibonacci sequence can be found in many places. A discussion with the class shows that the ratios...
Activity
International Technology Education Association

Sizing Up the Clouds

For Teachers 6th - 8th Standards
How much rain can that cloud make? Through a simulation, the class estimates the amount of candy rain contained in different cup clouds. After probing the clouds using different methods, class members adjust their estimates. Participants...
Worksheet
Curated OER

2D Wavelet Transform

For Students 12th - Higher Ed
In this 2D wavelet transform worksheet, students compute 9 different types of problems related to using wavelets. They select a set of orthogonal filters, load in any image they want, and compute by the given command. Then, students...
Worksheet
Curated OER

Bug Bite

For Students 3rd - 6th
In this addition worksheet, learners add three to five numbers together with regrouping and match the answer to the letter in the problem to solve a riddle. Students solve 15 problems and answer 2 questions.
Worksheet
Helping with Math

#10: Solving Equations (2 of 2)

For Students 6th - 8th Standards
In this prealgebra activity, pupils perform addition, subtraction, multiplication, or division operations to solve for an unknown. There are 12 problems to be solved. Use this as a quiz to assess how well your class is grasping the skill...