math structures lakeshore elementary school. i blew up 4 blue balloons and 5 red balloons for my...
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Math Structures
Lakeshore Elementary School
• I blew up 4 blue balloons and 5 red balloons • for my birthday party. How many balloons
did • I blow up in all?
Some shapes were in a box. I put in 5 more shapes and then the box had 9 shapes. How many shapes were in the box to begin with?
• On Monday I read 6 pages in my new book. • On Tuesday I read some more pages and then • I was up to page 10. How many pages did I
read on Tuesday?
• Jill had 19 markers. She threw away 12 because they didn’t work. How many does she have left?
It rained 14 days in April and 8 days in May. How many more days did it rain in April than May?
• Tess had 17 shells. She gave some to her brother. Now she has 8 in her bucket. How many did she give to her brother?
STRUCTURE:3 Types of Multiplication: 4 x 3
Repeated Addition
Counting Principle
Array/row-column
Example
• Jenny will earn $25.00 dollars each day she dog sits for her neighbors and they will be out of town for 4 days this week. How much money will Jenny earn this week dog sitting?
Example1. Judy’s garden is 29 feet by 3
feet, how many square feet is it?
ExampleI have 9 tops and four pairs of
shorts, how many different outfits can I make?
Alicia made 13 cups of popcorn. She will give each student in her class ½ a cup of
popcorn. How many students can she share her popcorn with if she keeps a cup for
herself?
Sean wants to ride his bike 60 miles. He plans to ride the same number of miles each day for 6
days. How many miles should he ride each day?
Kathy placed some tiles on the floor in an array that is 6 tiles long by 4 tiles wide. She has 8 tiles left over. How many tiles does Kathy have in
all?
Helpful Sites
• http://thinkingblocks.com• http://www.livebinders.com/play/play?id=365369• http://schoolwires.henry.k12.ga.us/cms/lib08/GA01000549/C
entricity/Domain/6581/MATH_I_DO_WE_DO_YOU_DO_Final.pdf
• http://nlvm.usu.edu/en/nav/vlibrary.html• http://illuminations.nctm.org/
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