Curated OER
Addition, Subtraction and Estimating
In this addition, subtraction and estimating worksheet, students answer 13 questions pertaining to addition, subtraction, estimating and even/odd or 2/3-digit numbers. They can click on the Check box to find out if their answers are...
Curated OER
Dividing by Negative Powers of Ten (E): 2-digit
For this math worksheet, students are given 10 number which they are to divide by 1, .1, .01, .001 and .0001. Once the procedure is understood, the answers are easy to find.
CK-12 Foundation
Ck 12: Elem Math: Subtracting 2 Digit Numbers Without Regrouping
[Free Registration/Login may be required to access all resource tools.] The video shows a subtraction problem with two digit numbers. The video is followed by a series of practice questions to assess student comprehension of the concept.