Mathematics Kindergarten 15 min

More or less likely

More or less likely

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Introduction & Learning Objectives

Learning Objectives Identify which group of objects has more. Identify which group of objects has less. Use the term 'more likely' to describe an event. Use the term 'less likely' to describe an event. Explain their choice by counting the objects. Imagine a bag of toys! 🧸 Is it easier to pick a car or a doll? Let's find out! We will learn about 'more' and 'less'. This helps us guess what might happen. It is a fun game of counting! Real-World Applications Guessing the color of a gumball from a machine 🍬 Picking a snack from a fruit bowl 🍎🍌 Choosing a crayon from a box 🖍️ Seeing if it is more likely to rain or be sunny ☀️
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Key Concepts & Vocabulary

TermDefinitionExample MoreA bigger number or amount. Lots of things!5 apples 🍎🍎🍎🍎🍎 is more than 2 apples 🍎🍎. LessA smaller number or amount. Not very many things.1 cookie 🍪 is less than 3 cookies 🍪🍪🍪. LikelySomething that could happen. It's a good guess.It is likely you will eat lunch today. 🥪 More LikelyThe thing that has a better chance to happen.If there are 10 red balls and 1 blue ball, picking red is more likely. Less LikelyThe thing that has a smaller chance to happen.If there are 10 red balls and 1 blue ball, picking blue is less likely.
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Core Formulas

The More Likely Rule More items = More likely to be picked When you see more of something, you are more likely to pick it. The Less Likely Rule Less items = Less likely to be picked When you see less of something, you are less likely to pick it.

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Sample Practice Questions

Challenging
Box A has 2 red balls 🔴 and 1 blue ball 🔵. Box B has 3 red balls 🔴 and 3 blue balls 🔵. From which box are you **more likely** to pick a red ball?
A.Box A
B.Box B
C.The chance is the same for both boxes
D.You can't pick a red ball from Box B
Challenging
A machine gives you a toy. It is **certain** that you will get a ball ⚽. What CANNOT be in the machine?
A.Only red balls
B.Only blue balls
C.Red balls and blue balls
D.Red balls and a toy car 🚗
Challenging
A bag has 4 trucks 🚚 and 4 planes ✈️. Sam takes out one truck. Then, he adds two planes. Now, is it more likely to pick a truck or a plane?
A.plane ✈️
B.truck 🚚
C.They are equally likely
D.boat ⛵

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