This short video and interactive assessment activity is designed to teach fourth graders about adding 3 numbers - word problems.
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فيديو يوضح طريقة جمع عددين من رقم واحد بطريقة الإكمال الى عشرة
- Author:
- Khan Academy
This short video and interactive assessment activity is designed to teach fifth graders about adding capacities in compound units (english units).
This short video and interactive assessment activity is designed to teach fourth graders about adding capacities in compound units (english units).
This short video and interactive assessment activity is designed to teach fourth graders about adding compound unit lengths (metric units).
This short video and interactive assessment activity is designed to teach fourth graders about adding compound units (metric units).
This short video and interactive assessment activity is designed to teach fifth graders about adding compound units (metric units).
This short video and interactive assessment activity is designed to teach fourth graders about adding compound units in days and hours.
This short video and interactive assessment activity is designed to teach fourth graders about adding compound units in weeks and days.
This short video and interactive assessment activity is designed to teach fourth graders about adding compound units in years and months.
This short video and interactive assessment activity is designed to teach fourth graders about adding decimals - word problems.
This short video and interactive assessment activity is designed to teach fourth graders about adding decimals by inserting place-holding zeros.
This short video and interactive assessment activity is designed to teach fourth graders about adding decimals from the thousandths place to the tens place.
This short video and interactive assessment activity is designed to teach fifth graders about adding fractions with common denominators.
This short video and interactive assessment activity is designed to teach fifth graders about adding fractions with different denominators.
"In this lesson, students draw various polygons and investigate their interior angles. The investigation is done using both an applet and paper and pencil to foster an understanding of how different patterns can lead to the same solution. After comparing results with a partner, students develop a formula showing the relationship between the number of sides of a polygon and the sum of the interior angles." (from NCTM Illuminations)
- Author:
- National Council of Teacher's of Mathematics
This short video and interactive assessment activity is designed to teach fifth graders about adding lengths (metric units).
This short video and interactive assessment activity is designed to teach fourth graders about adding lengths in centimeters.
This short video and interactive assessment activity is designed to teach fourth graders about adding lengths in meters.
This short video and interactive assessment activity is designed to teach fifth graders about adding mixed numbers with common denominators.