Cogito
Kindergarten Math · Chapter 2 · Lesson 2
Comparing Written Numbers
Deciding without counting things.
10 problems · about 8 minutes · K.CC.C.7
What this lesson teaches
The child compares two written numerals between 1 and 10.
- A number that comes later when counting is bigger.
- You can compare numbers without counting objects.
Warm-Up Review
From earlier lessons. Loosen up before the new work.
4 problemsReview — More, Fewer, the Same: Which is more, 9 or 6?
Answer 9
Why Nine.
Review — Writing Numbers: How many? ⭐⭐⭐⭐⭐⭐⭐
Answer 7
Why Seven.
Review — Sixteen to Twenty: Ten and eight more is?
Answer 18
Why Eighteen.
Review — Eleven to Fifteen: Ten and three more is?
Answer 13
Why Thirteen.
Warm Up
Straightforward practice. Get the method working first.
3 problemsWhich is bigger, 5 or 8?
Answer 8
Why Eight.
Which is bigger, 3 or 7?
Answer 7
Why Later when counting.
Which is smaller, 2 or 6?
Answer 2
Why Earlier when counting.
Build It Up
The same ideas with more to keep track of.
2 problemsWhich is bigger, 10 or 4?
Answer 10
Why Much later.
Which is smaller, 1 or 9?
Answer 1
Why The very first.
Stretch Yourself
Mixed problems. Work out what kind of question it is before you start.
1 problemTwo Cards: Which is bigger, 6 or 9?
Answer 9
Why Nine.