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2 results for "magnetic tiles"


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Elapsed Time
Elapsed Time
3rd Grade - 4th Grade

Objectives CCSS Math: Measurement & Data 3.MD.A.1: Tell and write time to the nearest minute and measure time intervals in minutes. Solve word problems involving addition and subtraction of time intervals in minutes, e.g., by representing the problem on a number line diagram. 4.MD.A.2: Use the four operations to solve word problems involving distances, intervals of time, liquid volumes, masses of objects, and money, including problems involving simple fractions or decimals, and problems that require expressing measurements given in a larger unit in terms of a smaller unit. Represent measurement quantities using diagrams such as number line diagrams that feature a measurement scale. Materials Needed Lakeshore Magnetic Teaching Clock Lakeshore Student Clocks - Set of 12 “Elapsed Time Word Problems” activity page Elapsed time worksheet Introduction Ask a student what time school starts. Write this time on the board under the heading “Start Time.” Then ask another student what time school ends. Write this time next to the start time under the heading “End Time.” Ask, “From the time school starts to the time it ends, how much time elapses, or passes?” (Invite students to respond and explain their reasoning and calculations.) Hold up the teaching clock and demonstrate how to set the clock at the start time and count the hours and minutes until the end time. (Hint: Move the hour hand first and have students count the hours aloud with you. Then move the minute hand and have them count the minutes.) Explain to students that you are going to teach them some strategies to help them calculate elapsed time.

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Place Value Practice
Place Value Practice
4th Grade

Objectives Number & Operations in Base Ten Reading and writing multi-digit whole numbers in number, name, and expanded form Comparing two multi-digit numbers based on meanings of the digits in each place, using >, =, and < Materials Needed Large number cards Place Value Playoff game mat Place Value Playoff number tiles Construction paper Scissors Chart paper (optional) Preparation: Print out the large number cards, photocopy them onto construction paper and cut them out. You will need two or three copies of each number. Introduction/Review Write 347 and 453 on the board. Ask students to tell you which number is greater. Then ask, “Which place value did you compare to know that this is true? Why?” Guide students to understand that they compared the hundreds place because it is the highest place value in both numbers. (For older students, bring up the level by writing 3,470 and 4,532 or 34,705 and 45,320.) Reinforce the concept by underlining the hundreds place in each number and telling students that four hundreds is greater than three hundreds. Now ask, “What if the numerals in the hundreds place are the same? Which number is bigger, 347 or 353?” Guide students to understand that they should compare the next highest place value—the tens place.

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