Illustrative Mathematics
Building toward fluency
Here is a great learning task that focuses on the development of areas in computational fluency including strategies in mental math. Young learners are guided through a list of addition expressions that help them visually understand the...
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...
Curated OER
Minutes and Days
Elapsed time is a skill developed by the single question that is the center of this activity. Fifth graders are asked to find out the time that is 2011 minutes after the beginning of 2011. This question addresses the standard that...
Curated OER
Analyzing Word Problems Involving Multiplication
Learners sometimes have difficulty making sense of a word problem. In a guided learning activity, pupils are asked to think about how to find an answer and explain their thinking, rather than finding the answer. It allows them to...
Khan Academy
Khan Academy: Add Decimals 5
Add whole numbers, tenths, and hundredths like 60+2.57 or 5.53+3.1 Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Add Decimals 6
Add more challenging whole numbers, tenths, and hundredths like 5.7+4.51 or 47.75+11.98. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Adding Decimals #6
Practice adding whole numbers and decimals up to the hundredths place. Includes hints.
Khan Academy
Khan Academy: Adding Decimals #5
Practice adding whole numbers and decimals up to the hundredths place. Includes hints.
Khan Academy
Khan Academy: Add Decimals 4
Add hundredths like 0.76+0.21 Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Adding Decimals
Start with simple problems like 0.2 + 0.4 and build to more complex problems like 10.3 + 36.75.
Khan Academy
Khan Academy: Add Decimals Like 47.75+11.98
Add more challenging whole numbers, tenths, and hundredths like 5.7+4.51 or47.75+11.98.
Khan Academy
Khan Academy: Add Decimals Like 5.53+6.1
Add whole numbers, tenths, and hundredths like 60+2.57 or 5.53+3.1.
Khan Academy
Khan Academy: Adding Decimals: Thousandths
In this exercise, students practice adding decimals in the thousandths place. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Shmoop University
Shmoop: Fractions & Decimals: Adding & Subtracting Decimals
The mathematics notes investigate how to add and subtract decimals. Examples and practice problems with solutions are included.