Curated OER
Addition and Subtraction Word Problems Step-by-Step Lesson
A teacher resource, this scripted lesson details how to explain to learners the steps involved in determining the total number or the remaining number of objects in a category. The referenced pupil activity is not included.
Curated OER
Add and Subtract Equations With Equal Sign - Independent Worksheet
Do your young counters need independent practice adding and subtracting? For each of the ten equations listed on the worksheet, pupils must determine if the problem is correct or incorrect. If correct, learners draw a box around the...
Curated OER
Unknown Numbers in Sums and Differences - Step-by-Step Lesson
First grade mathematicians will love to monkey around with an illustrated word problem involving missing bananas. They must decide how many bananas the monkey ate by counting the remaining bananas and by counting the number Lee had and...