Math Videos

Click on the links below to watch the YouTube video 

for each of the strategies

Adding By Place Strategy

Adding One Number In Parts strategy

Adding with a Number Line strategy

Adding with the Stacking By Place strategy

Adding with the Algorithm strategy

Subtracting in Parts strategy

Subtracting with A Number Line strategy

Subtracting with the Algorithm strategy

Rounding to the nearest 10

Rounding to the nearest 100