# How many? Rating

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How many?
CCSS.MATH.CONTENT.K.CC.B.5

## Learn to Count – Introduction

We learn to use 1:1 correspondence to count and answer the question “how many?”. Let’s learn how to count to answer how many with the following explanation.

When we ask “how many?”, we want to know the number, or amount, of something. Another way to ask this is ”how much?” or ”what's the total?”. To find out how many things there are, it is important to count each item carefully until the last one is reached. Objects can be shown neatly in a line, in a grid (array), or in a circle. But other times, items can be shown scattered all over. Whichever way objects are shown, it is critical to take your time while counting!

## Learn to Count – Example

Your parents’ old keyboard is missing some keys. Luckily, we have a box in front of us with some spare keys. To figure out ‘how many’ keys there are in this box, we need to do the following:

• First, pick a place to start counting. The top left corner is a good place to start. • Then, count aloud and mark off each item! This way, nothing gets skipped. • Keep going until everything has been counted! Here there are one, two, three, four, five, six keys! Since we stopped at six, this is how many keys there are. How many keys does the box contain? six!

## Learn to Count – Summary

Today, we had a first look at how counting works to answer the question “How many?”. We looked at an example where we wanted to count the amount of spare keys to a keyboard. To figure out how many keys there are in this box, keep the following steps in mind:

Step # What to do
1 Pick a place to start counting.
2 Count aloud and mark off each item;
this way nothing gets skipped.
3 Keep going until everything has been counted!
4 The final number is how many items there are.

Have you practiced yet? On this website, you can also train your counting and learn how to count with our printable worksheets and interactive exercises.

### TranscriptHow many?

Imani is looking to change things up, so they’ve asked Mr. Squeaks to make them a bodysuit. Mr. Squeaks agrees, but first he needs to look in his workshop and see ‘how many’ parts he has to use. Let's help by teaching him what "How Many" means. If we ask the question ‘how many’, we want to know the number of objects there are. Another way to ask this is “how much” or "what's the total". To find out how many things there are, we need to count each item carefully until we reach the last one. Sometimes objects can be shown neatly in a line, in a grid, in a grid. But other times, items can be shown scattered all over. Whichever way it is shown, it is important to take your time while counting! Let's count how many keys Mr. Squeaks has at the bottom of this box. First, we pick a place to start counting. Let's start here! Then, we count aloud and mark off each one! We keep going until we've counted everything! One, two, three, four, five, six! The number we stop on is how many items there are. How many keys does Mr. Squeaks have? He has six! Now we can help Mr. Squeaks find how many wheel gears he has on the wall. First, pick a place to start counting. Let's start here! Then, count aloud and mark off each one! Remember! Keep going until you've counted every object! One, two, three, four, five, six, seven, eight! The number we stop on is how many items there are. How many wheel gears does Mr. Squeaks have? He has eight! Finally, let's help Mr. Squeaks find how many wires he has on the workbench. What should we do first? Pick a place to start counting. Let's start here! What is the next step? Next, we count aloud and mark off each one! How many wires do you count? Five! Mr. Squeaks has five wires on his bench! As Mr. Squeaks starts to make Imani's new bodysuit, let's remember! Today we learned about counting to find ‘how many’. Remember, ‘how many’ tells us the number or amount of something. To find out how many there are, we need to count each item carefully until we reach the last one. First, pick a place to start counting. Next, count aloud and mark each one and keep going until you've counted everything! The number you stop on is how many items there are. "I can't wait to hear what you think, Imani! Come on out and show us the new body suit!" "Uh...thank you, Mr. Squeaks. It's not exactly what I had in mind."

## How many? exercise

Would you like to apply the knowledge you’ve learned? You can review and practice it with the tasks for the video How many? .
• ### How many keys are in Mr. Squeaks' box?

Hints

Choose somewhere to start counting and then count every key.

Here, we can count the 4 items and tick each one as we count.

Solution

Mr. Squeaks has 5 keys in his box. Here we can count each one and tick them as we count.

• ### How many wrenches are on the workbench?

Hints

Start on the left and count each wrench as you highlight them. You can count as you highlight each one.

Which number on the right shows the total number of wrenches?

Solution

Mr. Squeaks has 7 wrenches on his workbench.

• ### How many items are there?

Hints

Choose an item to begin counting. Start from the left and count one at a time.

When you have counted all the items in a box, find the number that shows this amount.

When you count, the last number you say is the total.

Solution

When we count the total number of items, we can see that there are:

• 3 drills
• 5 screws
• 6 hammers
• 8 screwdrivers

• ### Which images have a total of 4?

Hints

Try touching or ticking off each item as you count it. The last number you say is the total.

Remember that Mr. Squeaks is looking for items in a group of four.

There are two correct options to choose.

Solution

Mr. Squeaks can choose the 4 strawberries and the 4 plums.

• ### How many are there?

Hints

Choose an item to begin counting. Start from the left and count one at a time.

Try touching or ticking off each item as you count it. The last number you say is the total.

Solution

In total, there are:

• 3 blue paint cans
• 5 yellow paint cans
• 6 red paint cans
• 4 black paint cans

• ### How many are in each image?

Hints

Begin by choosing one of the images of sweets to count, then count carefully, one at a time.

When you know the total number of sweets in an image, look for the ten frame that shows the same total.

Solution

This image shows the totals matched together correctly.