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Welcome to Counting to 100! – Greet our bright stars – Today’s goal: Numbers to 100 – Who can count to 10? – Practice counting with a volunteer – Exciting journey ahead – We’ll explore the hundred chart together | Begin the class with a warm and enthusiastic greeting to set a positive tone. Today’s lesson is an exciting adventure as we aim to understand numbers up to 100. Start with a simple and interactive activity by asking a volunteer to count to 10 to engage the class and assess their current counting skills. This will build confidence and prepare them for the journey ahead. Emphasize that learning to count to 100 is a big milestone and that we will use the hundred chart as a fun tool to help us visualize and understand the sequence of numbers.

Exploring the Hundred Chart – What is a Hundred Chart? – A grid with 100 squares, each with a number – Numbers 1 to 100 on the chart – Helps with counting skills – Counting by 1s, 2s, 5s, or 10s to 100 – Makes addition and subtraction fun – Use the chart to find answers by looking at number patterns | The Hundred Chart is a fundamental tool in first-grade mathematics, serving as a visual aid to help students understand number patterns and relationships. It’s a grid of 100 squares, numbered sequentially from 1 to 100. This chart is versatile and can be used to teach counting, skip counting, addition, and subtraction. Encourage students to notice patterns, such as how numbers in the same column end with the same digit, or how moving to the right on the chart increases a number by one. Use the chart to demonstrate simple addition by moving right or down, and subtraction by moving left or up. This slide should introduce the chart and its basic uses, setting the stage for interactive activities where students can apply what they’ve learned.

Exploring Numbers 1 to 20 on the Hundred Chart – Look at the first row of the chart – Count together from 1 to 20 – Each number is one more than the last – 14 is one more than 13, 15 is one more than 14 – Understanding the pattern – This pattern helps us learn to count | This slide is aimed at helping first graders understand the concept of counting and the numerical order using a hundred chart. Start by focusing on the first row of the hundred chart, which displays numbers 1 to 20. Guide the students to count aloud from 1 to 20, ensuring they recognize that each subsequent number increases by one. Highlight the pattern that each number is one more than its predecessor, which is a fundamental concept in counting. Use examples like 14 is one more than 13, and so on. This exercise will help students grasp the basics of number sequences and prepare them for understanding larger numbers. Encourage students to point to each number on the chart as they count to reinforce number recognition.

Skip Counting by 10s on the Hundred Chart – Count by tens to 100 – Observe the chart’s tens numbers – Notice how each tens number is below the previous one – Jump from one tens number to the next – We skip 9 numbers between tens – 10, 20, 30, what comes after? – Can you figure out the next numbers? 40, 50, 60… | This slide is designed to teach first graders how to count by tens using a hundred chart. Start by explaining the concept of skip counting and how it helps in counting faster. Show them the pattern on the hundred chart where each tens number is directly below the previous one, making it easy to jump from one to the next. Encourage the students to continue the sequence after 30, aiming for them to reach 100. This activity helps students recognize patterns in numbers and reinforces their understanding of the base-ten number system. During the next class, you can have students practice by pointing to the numbers on a large chart as the class counts together.

Finding Numbers on the Hundred Chart – Locate the number 15 – Find the number 32 – Together, let’s find 50 – We’ll use the chart to spot number 50 as a class – Practice finding numbers – Try to find other numbers on your own | This slide is aimed at helping students become familiar with the hundred chart and practice locating specific numbers. Start by asking students to find the number 15 on their own, then proceed to number 32. For the number 50, guide the class through the process as a group activity to ensure everyone understands how to use the chart. Encourage the students to use patterns they see on the chart, like the alignment of numbers ending in 0 or 5, to help them find numbers more quickly. After the guided practice, allow the students some time to find other numbers on the chart independently to reinforce their learning. This activity will help build their number recognition skills and understanding of the sequence of numbers up to 100.

Patterns in the Hundred Chart – Spotting patterns in the chart – Column numbers increase by 10 – Look at 1, 11, 21, 31… each one is 10 more than the last – Row numbers increase by 1 – Look at 1, 2, 3, 4… each one is 1 more than the last – Patterns help with counting – Recognizing patterns makes it easier to count to 100 | This slide is aimed at helping first graders recognize and understand the patterns in a hundred chart. By observing that numbers in the same column increase by 10, students can grasp the concept of place value and the base-10 system. Similarly, noticing that numbers in the same row increase by 1 helps with understanding sequential counting. Emphasize that these patterns are not just coincidences but are a part of the chart’s design to aid in learning to count. Encourage students to explain the patterns they see and use them to predict what numbers come next. This understanding is foundational for their future math skills.

Using the Hundred Chart: Addition and Subtraction – Add numbers using the chart – Subtract numbers using the chart – Adding 10 to 23 on the chart – When we add 10 to 23, we jump down one row to get 33 – Practice with different numbers – Try adding and subtracting with your own numbers at home | This slide introduces students to the concept of using a hundred chart to perform basic addition and subtraction. The chart is a visual tool that helps students understand number patterns and relationships. For addition, students can learn to move vertically down to add 10, or horizontally to add 1. For subtraction, they move up to subtract 10, or left to subtract 1. By practicing with the example of adding 10 to 23, students can see that the result is 33, which is directly below 23 on the chart. Encourage students to practice this with different numbers and to try subtracting as well. This activity will help solidify their understanding of number sequences and the concept of adding and subtracting in increments of 10 and 1.

Class Activity: Numbers Detective – Receive your detective chart – Spot the missing numbers – Look for patterns to find what’s missing – Fill in the blanks carefully – Use a pencil to write the numbers – Complete your hundred chart | This activity is designed to help students understand the sequence of numbers and recognize patterns within the hundred chart. Distribute partially filled hundred charts to the students and ask them to fill in the missing numbers. Provide guidance on how to identify the missing numbers by looking at the numbers before and after the blanks. Encourage them to check their work by ensuring the sequence is correct. Possible variations of the activity could include: 1) Pairing students to help each other, 2) Timing the activity for a fun challenge, 3) Asking students to color-code even and odd numbers, 4) Having students write numbers backward from 100 to 1 to fill in the blanks, 5) Creating a life-size hundred chart on the floor for a physical activity.

Great Work with the Hundred Chart! – Congratulations on your hard work – Understanding the hundred chart – It’s a tool to help us count to 100 – Practice makes perfect – Keep using the chart to get faster – You’re becoming counting experts! – Soon you’ll count to 100 with ease | This slide is meant to congratulate the students on their progress and encourage them to continue practicing with the hundred chart. The hundred chart is an essential tool for understanding the pattern of numbers and for developing counting skills. Regular practice with the chart will help students become more fluent in counting to 100 and beyond. Remind them that mastery comes with practice, and they are well on their way to becoming counting pros. Celebrate their achievements today and motivate them for future lessons.