Charleston School District
Comparing and Ordering Irrational Numbers on a Number Line
Estimating the value of numbers is much harder than it sounds! Scholars compare and order the value of numbers presented in different forms including fractions, decimals, roots, integers, and pi. This builds on the previous lessons in...
EngageNY
Find Solutions to Make Equations True
The truth is always best. Individuals continue to find values that make equations true in the 26th installment of the 36-part module. The only difference is that they now call them solutions to those equations.
K12 Reader
Estimation
When is it a good idea to use estimation? Learn about estimation and rounding with a reading comprehension lesson. After kids read a passage about estimation, they answer five comprehension questions on the other side of the page.
Virginia Department of Education
Equations of Lines
Scholars connect slope-intercept form and standard form to the values of m and b by first matching a set of cards that have slope-intercept form, standard form, values of m, values of b, and graphs of linear equations. They then...
EngageNY
Summarizing a Distribution Using a Box Plot
Place the data in a box. Pupils experiment with placing dividers within a data set and discover a need for a systematic method to group the data. The 14th instructional activity in a series of 22 outlines the procedure for making a...
EngageNY
Writing and Evaluating Expressions—Multiplication and Addition
How many people can sit around a table? The 22nd part in a series of 36 continues the work on writing and evaluating expressions to include expressions with two operations. Pupils use models to determine an expression for the number of...
Curated OER
Sunrise, Sunset
What locations on Earth get the longest number of hours of daylight in the summer? Hint: It's not the equator! Use real-world sunrise and sunset data to develop trigonometric models that can be used to estimate the number of hours of...
Virginia Department of Education
Powers of Ten
Investigate negative exponents of-ten. Pupils use the pattern of increasing powers of 10 to determine negative powers of 10. The scholars write the powers in expanded and product forms and make the connection to exponents using a...
Balanced Assessment
Fractured Subtraction
Can you spare a 10? Scholars determine digits that could complete a two-digit subtraction problem. They must find all possible combinations of digits and provide an explanation for their reasoning.
Illustrative Mathematics
Bundling and Unbundling
Seven tens, plus five ones, equals 75. Five ones, plus seven tens, also equals 75. These are the types of equations learners are asked to make true in a worksheet with 11 unfinished equations.
Illustrative Mathematics
Making 124
How many ways can you make the number 124 using only tens and ones? Use a task that prompts young mathematicians to make 124 in as many ways as possible.
Curated OER
Place Value Addition
For this addition worksheet, 2nd graders focus on adding one digit to a three digit number. Students solve for 40 problems with no regrouping necessary.
Curated OER
More Place Value Addition Version 4
In this addition practice worksheet, students solve 40 problems that require them to add 3-digit numbers to 1 or 2-digit numbers.
Curated OER
More Place Value Addition Version 3
For this addition practice worksheet, students solve 40 problems that require them to add 3-digit numbers to 1 or 2-digit numbers.
Curated OER
Horizontal Three Digit Place Value Addition
In this addition worksheet, 3rd graders focus on adding three different numbers. Students solve for 16 horizontal problems with no regrouping necessary.
Curated OER
Horizontal Four Digit Place Value Addition
In this addition worksheet, 3rd graders focus on adding four different numbers. Students solve for 16 horizontal problems with no regrouping necessary.
Curated OER
Place Value Addition, #2
In this addition facts practice worksheet, students solve 40 problems that require them to add 2-digit numbers to 1-digit numbers.
Curated OER
Practice in Determining Which Zeros are Significant
In this significant number activity, middle schoolers identify significant numbers. This one-page activity contains 60 problems.
Curated OER
Decimal Addition and Subtraction
In this decimal addition and subtraction worksheet, students use a computer program for initial instruction, then complete 22 problems with decimals.
Curated OER
Estimating Before Multiplying
In this estimating before multiplying worksheet, students interactively answer 10 multiple choice questions about estimating, then click to check their answers.
Curated OER
Biggest Number Problem
For this number problem worksheet, students identify the largest number less than a googol that has no "n" in its spelling. This one-page worksheet contains 1 problem. The answer is provided.
Curated OER
Converting Decimals to Fractions
For this converting decimals to fractions worksheet, 5th graders solve 6 problems by converting the given decimal to a fraction.
Curated OER
Decimals
In this decimals instructional activity, 5th graders solve six problems, with answer key available online; additional worksheets can be easily accessed from this one.
Curated OER
Multiplication with Decimals
In this multiplication with decimals worksheet, 5th graders solve 20 horizontal multiplication problems with a single digit multiplier; a link to the answer key is provided.