EngageNY
Fraction Multiplication and the Products of Decimals
Class members come up with a hypothesis on the number of decimal digits in the product of two decimals. Learners work in groups to complete several decimal multiplication problems. The results help groups develop a conjecture on the...
Illustrative Mathematics
Reasoning about Multiplication and Division and Place Value, Part 2
The learner puts reasoning and estimation to work. The directions are to place a decimal in the answer to make the equation true. Pupils are to look at the two problems, one multiplication and one division, and estimate an answer. No...
Curated OER
K-5 Mathematics Module: Number and Number Sense
Reinforce number sense with a collection of math lessons for kindergarteners through fifth graders. Young mathematicians take part in hands-on activities, learning games, and complete skills-based worksheets to enhance proficiency in...
Curated OER
Rounding Decimals
In this interactive rounding activity, 4th graders practice rounding decimals to the given place value. There are 10 rounding problems to complete.
New Mexico State University
Monster School Bus
Load up the bus. Pupils play a game where they control a bus to pick up a certain number of monsters for school. Learners develop strategies to make sure they have a full load and score the most rewards. As scholars work through the...
Curated OER
My Decimal Number
Third graders brainstorm different ways to represent decimal fractions. They draw on their knowledge of decimal place value, addition and subtraction of decimals, and writing decimals in words and symbols. Students discuss the meaning...
Curated OER
Adding Decimals
In this adding with decimals worksheet, students add numbers together that contain decimals in the hundredths place. Students complete 6 problems.
EngageNY
Grade 5 Math Module 1, Topic F, Lesson 14
Be sure to place value on place value understanding. Young mathematicians learn to divide decimals by whole numbers when compatible numbers are not available. They use place value discs in place value charts, then connect this strategy...
EngageNY
The Distributive Property and the Products of Decimals
Make multiplication of decimals easier by applying the distributive property. Pupils investigate how they can use the distributive property to multiply decimals. After learning the strategy, they work on some practice problems at...
EngageNY
Infinite Decimals
Can you support the argument that the decimal 0.99999 ... is equivalent to the number one? The seventh installment in this 25-part module gives convincing support for this conclusion. Pupils write infinite decimals using powers of 10....
West Contra Costa Unified School District
Decimals and Fractions
Reinforce the concept of fractions and decimals as part of a whole with a lesson that begins with a mixed review, then goes into a three problem guided practice, and ends with a collaborative activity. The guided practice and activity...
Curated OER
Decimal Baseball
Young mathematicians represent recorded information in decimal form. For this decimals lesson, learners play a "classroom friendly" basketball game in which pupils take 10 shots. Number of shots made out of 10 is recorded as a fraction...
Curated OER
Decimals: Writing, Comparing and Ordering
For this decimals: writing, comparing and ordering worksheet, 6th graders use a place value chart to write decimals in standard, expand and word form, to compare by writing > or < , and to put a list of decimals numbers in order.
Curated OER
Working With Place Value
Students investigate the proper way to write numbers using decimals and commas. In this algebra lesson, students recognize the place value of a specific digit. They place numbers correctly on a number line.
Curated OER
Multiply Decimals Numbers With 1 Decimal Place
in this multiplication activity, students complete a set of 14 problems, multiplying numbers with 1 decimal place. A reference web site is given for additional activities.
Curated OER
BASE-ic Space Travel
In this 3-day place-value instructional activity, upper-elementary kids investigate the base 5 and base 2 systems as an introduction to exponents and powers. They create a pocket chart to help ground their understanding of bases,...
Curated OER
Decimal War
Pupils play a math game. For this decimals and fractions lesson, they use base ten blocks to practice converting between decimals and fractions. Everyone plays a game called Decimal War to practice these concepts.
Curated OER
Who's On First?
Have you ever considered why the number 10 is so important to us? That's what learners do here. They explore patterns formed by powers of ten and by decimals, convert units of measure within the metric system, and express these in the...
Lane Community College
Review Sheets: Basic Mathematics 1
Here is a worksheet that is 3/4 fraction practice and 1/4 skills guide. The problems are organized by concept and each section bullet points the skills needed to accomplish them. The problems are straightforward practice with word...
Curated OER
Ten by Ten
Learners participate in hands-on activities using a hundreds chart and counting toes and fingers. They discover the patterns that are created when counting by ten. After a lecture/demo, students practice by using a worksheet embedded in...
Curated OER
Place Value Popsicles
Learners play a place value game using popsicle sticks and dice. They investigate units and tens.
Curated OER
Rounding Decimals
In this rounding decimals instructional activity, students round numbers with decimals to the hundredths place. Students complete 10 problems.
Curated OER
Rounding Decimals
Fourth graders engage in a lesson that is about the concept of rounding decimals. They review place value and focus it upon the practice of rounding. Students use 10 base decimal grids or models to help make connections with the skill.
Curated OER
Multiplying Decimals
Fifth graders solve 35 multiplication equations, all of which have one number with a decimal multiplied by a single-digit number. The decimal numbers all are single-digit with a decimal only to the tenths place, so this is ideal for...