Solve addition and subtraction word problems within 10 using objects and drawings (K.OA.A.2, MP.1, MP.4)
Exercise
Difficulty 3
~2 min
math.gK.s.ex_36
Compare Difference
Prompt
Lin has 8 stickers. Sam has 5 stickers. How many MORE does Lin have than Sam? Use counters with one-to-one matching.
M-K-S-EX-36-A
Manipulative
Physical / non-image
Photo of a compare-mat with 8 red counters in the top row and 5 yellow counters aligned in the bottom row; the 3 unpaired red counters circled.
How it's presented
mode
manipulative
Answer criteria
type
numeric with equation
value
3
equation
8 - 5 = 3
Hints
- Make a row of 8 reds. Make a row of 5 yellows below, aligned.
- Count the UNMATCHED reds.
Misconceptions to watch
- Adds: 13 (the most common compare error)
- Says 5 or 8
Used in lessons