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?
Summative Assessment Task
Students determine how many more pictures need to be drawn, when given a number of animal pictures.
Students determine how many crackers are left on a plate after five crackers have been eaten. (Subtraction, 0-10)
Students identify the number of cat ears on two cats.
Students determine how many baseballs are left on a shelf. (Subtraction, 0-5)
Instructional Tasks/Formative Assessments
Students determine how many of Taylor's beads are blue. (Subtraction, 0-10)
Students determine how many more dinosaur books are needed for a total of ten books.
Students determine if Christina has found all her kittens.
Students determine how many towels Emma needs to fold after doing her homework.
Students determine how many balls are left in a box once two balls have been removed. (Subtraction, 0-5)
Students determine how many beads were in a bowl to start with, after beads are taken out of the bowl.
Students determine if there are enough chairs for all ten students in the Art Club.
Students determine how many animal feet Henry sees in a field.
Students determine how many pages Jayden read after lunch.
Students identify how many little kittens need to find homes. (Subtraction, 0-10)
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