Solve addition and subtraction word problems within 10 using objects and drawings (K.OA.A.2, MP.1, MP.4)
Exercise
Difficulty 2
~1 min
math.gK.s.ex_29
Part Part Whole Concrete
Prompt
Story: 3 red blocks and 5 blue blocks. How many altogether? Build and count.
How it's presented
mode
manipulative
Answer criteria
type
numeric with equation
value
8
equation
3 + 5 = 8
Hints
- Build 3 red + 5 blue. Count all.
- Use the number-bond — whole is what?
Misconceptions to watch
- Subtracts: 2
- Counts only one color
Used in lessons