To add the vectors (x‰âپ,y‰âپ) and (x‰ââ,y‰ââ), we add the corresponding components …
To add the vectors (x‰âپ,y‰âپ) and (x‰ââ,y‰ââ), we add the corresponding components from each vector: (x‰âپ+x‰ââ,y‰âپ+y‰ââ). Here's a concrete example: the sum of (2,4) and (1,5) is (2+1,4+5), which is (3,9). There's also a nice graphical way to add vectors, and the two ways will always result in the same vector.‰غـ‰غـ
This addition card mat is meant to be set up as a …
This addition card mat is meant to be set up as a center to use during your addition unit. Students will flip over 2 cards and place them in the card spots. They will then use a dry erase marker to write the full addition sentence.
You will need to print the mat and laminate in order to use with dry erase. Alternatively, you could place sheet in a dry erase sleeve.
The purpose of this task is to study some patterns in a …
The purpose of this task is to study some patterns in a small addition table. Each pattern identified persists for a larger table and if more time is available for this activity students should be encouraged to explore these patterns in larger tables.
This is a task from the Illustrative Mathematics website that is one …
This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.
Students place markers on the numbers 2-12. Students toss two 6-sided dice, …
Students place markers on the numbers 2-12. Students toss two 6-sided dice, find the sum and remove a marker from that number, if there is still one. The first player to remove all markers wins the game. This game can be used as addition practice or as an introduction to the probability of the different outcomes of rolling two dice. This game was developed by a Monmouth University student for the Probability Fair. These games help students acquire proficiency in addition and subtraction facts.
This short video and interactive assessment activity is designed to teach fourth …
This short video and interactive assessment activity is designed to teach fourth graders about one step metric capacity with addition and subtraction - word problems.
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