This video and accompanying interactive assessment practice was designed to teach overview of addition sums to first graders.

This is a video overview of addition word problems (to sums of 100) for first graders.

This is an interactive assessment and video designed to teach Adding and Subtracting (Numbers up to 20) - Word Problems to first graders.

This course features a video review of addition up to the sum of ten for first graders.

This short video and interactive assessment activity is designed to teach first graders about multiple object lengths (english measurement).

This short video and interactive assessment activity is designed to teach first graders about counting rectangles, squares, and triangles in composite figures.

This short video and interactive assessment activity is designed to teach first graders about selecting the correct addition sentence (sums to 100).

This site features a video overview of Addition (Sums to Twenty) for 1st Graders.

This video and accompanying interactive assessment practice was designed to teach completing the subtraction sequence to first graders.

This short video and interactive assessment activity is designed to teach first graders an overview of rectangles, squares, circles and triangles.

This is a video and assessment exercise aimed at helping first graders identify incorrect subtraction.

This course features a video review and an interactive assessment activity for selecting the correct addition sequence. It is aimed at first graders.

This short video and interactive assessment activity is designed to teach first graders an overview of quarter-circles and semi-circles.

This short video and interactive assessment activity is designed to teach first graders about single object length (english measurent).

This short video and interactive assessment activity is designed to teach first graders about how big is a meter?.

This short video and interactive assessment activity is designed to teach first graders an overview of subtraction (numbers to 100).

This video lecture serves as a review of subtraction up to the number twenty for first graders.

This short video and interactive assessment activity is designed to teach first graders an overview of telling time to quarter and hour.

This is a video and interactive assessment activity designed to help first graders learn about subtraction word problems up to twenty.

This video and accompanying interactive assessment practice was designed to teach Two-step Subtraction (Numbers to 100) - Word Problems to first graders.