Kindergarten - Addition and Subtraction Unit
Standards covered:
- K.3 Number and operations
-
K.3A
Model the action of joining to represent addition and the action of separating to represent subtraction. -
K.3B
Solve word problems using objects and drawings to find sums up to 10 & differences within 10. -
K.3C
Explain the strategies used to solve problems involving adding and subtracting within 10 using spoken words, concrete and pictorial models, and number sentences.
The Addition and Subtraction Unit involves understanding the processes of addition and subtraction in order to solve problems and answer questions such as:
- If we put the beans in this jar with the beans in this bowl, how many beans will there be?
- If we start with this many beans and give three beans away, how many beans will there be?
Instructional Tasks/Formative Assessments
Students determine how many pizzas Anthony made all together, when given the numbers of pizzas made each day.
Students determine how many ears Mary sees.
Students determine how many shots need to be given to two puppies. (Addition, 0-5)
Students count to find out how many total pumpkins were picked.
Students determine if each girl can have three pieces of paper, when given a number of pieces of purple paper. (Addition, 0-10)
Students determine how many more sandwiches need to be made to have a total of ten sandwiches.
Students determine how many stamps Mrs. Brit's needs to mail some thank-you letters.
The N/A classification refers to TEKS Standards that cannot be assessed through problem solving.
For this reason, tasks have not been included for these particular standards.
K.7A K.7B K.9B K.9C K.9D