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...
Curated OER
Adding Two- and Three-Digit Numbers
In this adding two- and three-digit numbers worksheet, students, with a partner, problem solve and calculate the answers to eight mathematical word problems and equations.
Curated OER
Estimate, Solve, and Check
Young scholars estimate, solve, and check a series of addition and subtraction number and word problems. They write their estimates on a recording sheet, compute and write the answer in the next column, and check their answer with a...
Curated OER
A Method of Front-End Arithmetic
Teach the class how to add using front-end addition. They are given a shopping list and use it to practice adding from the largest place value to the smallest. Computational math and shopping, what fun!
Curated OER
Estimating the Cost of Shopping
In this math worksheet, 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.
Curated OER
Multiplication: Three-Digits by One-Digit
In this finding the products instructional activity, students review the steps and multiply three-digit numbers by one-digit numbers with regrouping. Students solve 12 problems.
Houghton Mifflin Harcourt
Unit 2 Math Vocabulary Cards (Grade 4)
The 28-page resource contains cards with terms relating to multiplication from inverse operations to front-end estimation to array. Each sheet contains two cards; one with the word and one with the definition.
Curated OER
Word Value
Students investigate the concepts of adding, estimating, and ordering. The lesson uses the alphabet as an example illustration. The students practice the calculations in class in order to ensure mastery.
Curated OER
Hershey Chocolate Fractions
In order for students to acquire knowledge about math concepts, and in particular fractions, they need concrete ways to practice an abstract concept.¿¿¿ Using Hershey bars builds on prior knowledge as most students have probably...
Curated OER
Customary Measurement Conversions
Fifth graders discover in hands-on activities the relationships between the measures. They work in groups to create conversion tables using familiar measuring tools. Students solve problems requiring conversions.
Other
Stat Soft: Statistics Glossary
Dozens of statistical terms are defined and illustrated in this glossary.