ITL516 Week 3 Math Concept Screencast By Mark St. John

Grade 3 Numbers and operations in Base Ten Cluster A Standard # 1 3.NBT.A.1 - Use place value understanding to round whole numbers to the nearest 10 or 100. Grade 3 Numbers and operations in Base Ten Cluster A Standard # 1

GAS - Filling up your vehicle’s Gas Tank BUDGET - Determining the affordability of an item PARTY SUPPLIES – Can we meet the demands of our guest list Rule for Rounding: 4 or less ROUND DOWN 5 or more ROUND UP Real world situations that require us to Estimate or round whole numbers

round these whole numbers to the nearest 10 68: 8 is more than 5 so we round up to 70. 44: 4 is less than 5 so we round down to 40. 86: 6 is more than 5 so we round up to 90. 32: 2 is less than 5 so we round down to 30. 75: 5 is equal to 5 so we round up to 80. round these whole numbers to the nearest 10

round these whole numbers to the nearest 100 110: 1 is less than 5 so we round down to 100. 278: 7 is more than 5 so we round up to 300. 325: 2 is less than 5 so we round down to 300. 450: 5 is equal to 5 so we round up to 500. 561: 6 is more than 5 so we round up to 600. round these whole numbers to the nearest 100

How many shoes does your immediate family own? 08-pairs = 16 shoes Mark 10-pairs = 20 shoes Erika 15-pairs = 30 shoes Jodi 20-pairs = 40 shoes Tydus Family Total = 106 shoes How many shoes does your immediate family own?

What are some examples that you have witnessed during your day? B C D What are some examples that you have witnessed during your day?

ITL516 Week 3 Math Concept Screencast References Progressions for the Common Core State Standards in Mathematics. (2011, June 20). Retrieved from:  https://achievethecore.org/page/254/progressions-documents-for-the -common-core-state-standards-for-mathematics Common Core Math Standards. 2019 Common Core State Standards Initiative Retrieved from:  http://www.corestandards.org/Math/ Gojak, L., Miles, R.H., & National Council of Teachers of Mathematics. (2016): The Common Core Math Standards Decoded   ITL516 Week 3 Math Concept Screencast