6Turn to p. 52 in your math book. Why does the number line use thousands and not other values, such as hundreds and tens?How are 4,405 and 2,641 different when rounded to the nearest 1,000?How is rounding to the nearest 1,000 like rounding to the nearest 100 or 10?How is it different?Turn to p. 52 in your math book.
7Another way to look at rounding. AAAmath.comGuided instruction
8Turn to p. 53 and we will do #’s 1-5 together. Guided practice
9MB p. 53 #’s 6-22 evenRound these numbers to the nearest thousand, hundred, and ten8,1196,932Pick a math game from the box.Math Task
10Lesson 3.5 objective – To use rounding rules to round numbers to the nearest 10 and 100.
11Tell the numbers in order from least to greatest. 23, 19, 1637, 31, 2329, 33, 3259, 57, 58218, 287, 278Tell the numbers in order from least to greatest.
12Rounding to the nearest 10 Rounding to the nearest 100 How to round numbersHighlight the digit that may change.Underline the digit on the right.Round the highlighted digitIf the underlined digit is 5 or more the highlighted digit is increased by 1.If the underlined digit is 4 or less the highlighted digit stays the same.All the digits to the right of the highlighted digit are changed to zeros.
13Turn to page 51, and we will do #’s 1-6 together. Guided practice
14MB p. 51 #’s 7-27 odd.Round these numbers to the nearest 10 and 100 in your journal:108684251345Pick a game from the box.Math task
15Lesson 3.4 objective – To use the problem solving skill use a bar graph to solve problems
16Compare. Write <, >, or = for each . 3,156 3,1654,371 4,372Compare. Write <, >, or = for each .
17Look at p. 48What information do you get from the titles and labels of a bar graph?What are you being asked to do?In step 1, how can you determine how the numbers are related?PracticeLearn
18Let’s look at p. 49 and do #’s 1-5 together. Guided practice
19Math task MB p. 49 #’s 6-9 Answer # 10 in your math journal. Pick a math game from the box.Math task
20Lesson 3.3 objective – To use models, number lines, and place value to order numbers.
21Tell which number is greater 37 or 2958 or 65235 or 25321 or 32120 or 99Tell which number is greater
22Do you need a number line with the exact points shown to order 4-digit numbers? Where would the zero be on this number line?How do you know where to place 3,718 on the number line?Ordering Numbers VideoAAAmath.com practice3,0004,0005,0006,0007,000Order Numbers
23Open your books to page 46 and we will do 1-3 together. Guided Practice
24MB p. 47 #4-12 evenIn your journal draw a number line to put these numbers in order from least to greatest: 765, 983, and 503. Draw another number line and put these numbers in order from least to greatest: 7,321; 7,359; 7,366Choose a math game.Math task
25Lesson 3.2 objective – to use models, place value, and number lines to compare numbers
26How many tens does each number have? 1520543783How many tens does each number have?
27Let’s learn some about greater than, less than, and equal too. When you compare numbersyou can tell which is greaterand which is less.Let’s learn some about greater than, less than, and equal too.
28Here are two different ways to look at comparing numbers. Compare numbersKahn academyHere are two different ways to look at comparing numbers.
29Some fun practice! Greater than, less than, or equal Gumballs COMPARING NUMBER VALUES - MORE THAN, LESS THAN, EQUALSome fun practice!
30Now we are going to practice. Turn in your math book to p Now we are going to practice. Turn in your math book to p. 43 and we will do 1-6 together.
31Math Task MB p. 44 #’s 7-19 odd MB p. 45 #’s 33-45 odd In your journal write <, >, or =60 323, ,861Play a math game from the black box.Math Task
32Lesson 3.1 objective- to use benchmark numbers to understand the relative magnitude of numbers.
33Let’s review Which is greater? 29 or 92 101 or 1,001 523 or 498
34What does estimate mean? Benchmark numbers are numbers that help you estimate the number of objects without counting them.What is an estimate? When might you use an estimate?
36Why might you estimate the number of jelly beans in Jar B instead of counting them. Why might you use a different benchmark to estimate the number of books in the school library than you would use to estimate the number of students in your classroom?
37Turn in your math book to p. 41 and we will do 1-4 together. Let’s practice
38Math task Math book p. 41 #’s 5-10. In your journal answer these questions. Choose a benchmark number of 10, 100, or 500 to estimate each.People on a busTrays in the lunchroomNumber of words in a chapterMath game from the boxMath task
39Benchmark numbersNumbers that help you estimate the number of objects without counting them, such as 25, 50,100 and 1,000
40Compareto describe whether numbers are equal to, less than, or greater than each other.
41> Greater thanA symbol used to compare two numbers, with the greater number given first.More
42< Less ThanA symbol used to compare two numbers, with the lesser number given first.Smaller
44RoundingReplacing a number with another number that tells about how many or how much.Home
45Rearrange the digits in 57,070 to form at least 12 different numbers Rearrange the digits in 57,070 to form at least 12 different numbers. Read your numbers to a neighbor.POD lesson 3.1Home
46Samantha is swimming across a lake to reach a diving platform that is 18 yards away. Every time she swims 6 yards, the waves push her back 2 yards. At this rate, how many times must she swim forward 6 yards to reach the platform?Lesson 3.2HomeHome
47Both Holly and Mike have 12 base-ten blocks Both Holly and Mike have 12 base-ten blocks. Mike has an equal number of hundreds, tens, and ones blocks. Holly has 3 tens and 5 ones, and the others are hundreds. Who can model a greater number?Lesson 3.3Home
48Josh’s house is between Fran’s house and the school Josh’s house is between Fran’s house and the school. Kay lives the closest to the school. Their houses are at 846,862, and 822 Main Street. What is the house number of each student?Lesson 3.4Home
49Find the number whose thousands value is the same as the thousands value in 4,106; whose hundreds value is the same as the hundreds value in 2,039; whose tens value is the same as the tens value in 4,303; and whose ones value is the same as the ones value in 6,288.Lesson 3.5Home
50Sue wrote all the numbers that can be rounded to 60 Sue wrote all the numbers that can be rounded to 60. Lee wrote all the numbers that can be rounded to 600. Who wrote more numbers? How many more numbers?Lesson 3.6Home