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Math · Pre-K Math

Chapter 4: Sorting and Matching

Which Group Has More

Comparing your piles.

Lesson
3
Time
About 7 minutes
0 of 5 done

Step 1: Let's Learn

Read it, or press Listen and follow the words.

Once things are sorted, you can count each pile on its own.

Sorting makes counting easier

A mixed heap is hard to count. Sorted piles are small and separate, so you are less likely to lose your place.

Then compare

The pile with the bigger number has more. Five beats three, so there are more red ones.

Or match without counting

Put one red next to one blue. Whichever pile has some left over is the bigger one.

They might be the same

If both piles have four, neither has more. The same is a real answer too.

Step 2: Try It Yourself

Tap and try it out.

Count each row. Which has more?
First pile5
Second pile3

5 is greater than 3.

Step 3: Watch an Example

One step at a time.

Watch Bo Compare Piles

Bo sorted his stickers into stars and hearts.

  1. Step 1

    He counts the stars: five.

Step 4: Your Turn

Practice makes it stick.

Stars and Hearts

Problem 1 of 1

Five stars and three hearts. Which has more?

More or Fewer

1 of 3

Which is more, 6 or 4?

2 of 3

Which is fewer, 2 or 7?

3 of 3

Six cats, two dogs. How many more cats?

Step 5: Quick Check

Show what you know.

Question 1 of 1

Which is more, 8 or 5?

What You Learned

  • Sort first, then count each pile.
  • The bigger number has more.