Cogito
Grade 1 Math · Chapter 2 · Lesson 2
Counting On
Start at one number instead of going back to one.
10 problems · about 11 minutes · 1.OA.C.5, 1.OA.C.6
NameDate
Figure — use these to answer the problems
Marker
Warm-Up Review
From earlier lessons. Loosen up before the new work.
4 problemsFrom “Putting Groups Together”
What is 4 + 2?
AnswerFrom “How Many Do You See?”
How many dots?
AnswerFrom “One More, One Less”
What is one more than 4?
AnswerFrom “Partners to Ten”
How many more would make ten?
CountersAnswer
Warm Up
Straightforward practice. Get the method working first.
3 problems8 + 2 = ?
Answer6 + 4 = ?
Answer5 + 3 = ?
Answer
Build It Up
The same ideas with more to keep track of.
1 problem7 + 2 = ?
Answer
Stretch Yourself
Mixed problems. Work out what kind of question it is before you start.
2 problems4 + 3 = ?
AnswerAt the Pond
There are 7 ducks. Then 2 more arrive. How many ducks now?
Answerducks