1-4 & 1-5: Counting on a number line

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Presentation transcript:

1-4 & 1-5: Counting on a number line Today we will learn… *How to locate numbers on a number line *How to find patterns on a number line and determine missing numbers. 1-4 & 1-5: Counting on a number line Vocabulary Digits Place Value Standard Form Expanded Form Word Form

Vocabulary Review What word goes with this definition? Talk to your table partner if you need help.

Digits Vocabulary Review 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 What word goes with this definition? Talk to your table partner if you need help. 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 Digits

Match the vocabulary word with the meaning Vocabulary Review Match the vocabulary word with the meaning

Match the vocabulary word with the meaning Vocabulary Review Match the vocabulary word with the meaning

Match the vocabulary word with the meaning Vocabulary Review Match the vocabulary word with the meaning

When do you see numbers in order on a line or in a row? Think and write When do you see numbers in order on a line or in a row?

This is a number line. What do you notice about it?

What numbers are missing from this number line? Number lines What numbers are missing from this number line?

What is a pattern? Name some places that you see patterns every day. Talk with a partner What is a pattern? Name some places that you see patterns every day. Some number lines do not count by ones. Instead they count in a pattern.

Addition number patterns Addition patterns: Look for the numbers to INCREASE. Example: 2, 4, 6, 8, 10…. What is the pattern? To solve, find two numbers next to one another. Find the difference between the numbers. Then make sure the pattern fits for all numbers.

Subtraction number patterns For subtraction patterns, the numbers will DECREASE, or go down. To solve, find two numbers next to one another and find the difference. Then make sure it works for the whole number pattern. Example: 21, 18, ___, 12, ___, 6, 2

Let’s practice completing the number patterns below: 4, 8, 12, ___, 20, ___, 28 3, 5, ___, 9, ___, 13, 15, ___ 20, 17, 14, ____, 8, ___, 2 50, ___, 70, 80, ___, 100, ___

Patterns on number lines What are the missing numbers? Write an explanation for how to solve this problem.

patterns on number lines Can you solve for the missing numbers?

Missing numbers What numbers are missing from this number line?

Problem Solving: Make an Organized List What are all of the possible 3-digit numbers that fit the following clues? The hundreds digit is less than 3 The tens digit is less than 2. The ones digit is greater than 7. Work with a partner to solve this problem. Record your answers on your problem solving sheet.