3rd grade Unit 1 Base Ten
- learn
http://studyjams.scholastic.com/studyjams/jams/math/numbers/place-value.htm
expanded notation: http://studyjams.scholastic.com/studyjams/jams/math/numbers/nestimate-whole-
numbers.htmhttp://studyjams.scholastic.com/studyjams/jams/math/numbers/expanded-notation.htm
estimate sums and differences:
http://studyjams.scholastic.com/studyjams/jams/math/addition-subtraction/estimate-sums-diffs.htm
relate addition and subtraction:
http://studyjams.scholastic.com/studyjams/jams/math/addition-subtraction/relate-add-and-sub.htm
subtract with regrouping:
http://studyjams.scholastic.com/studyjams/jams/math/addition-subtraction/sub-with-regroup.htm
add and subtract without regrouping:
http://studyjams.scholastic.com/studyjams/jams/math/addition-subtraction/add-sub-wo-regrp.htm
multiplication and division:
http://studyjams.scholastic.com/studyjams/jams/math/multiplication-division/multiplication.htm
single digit division:
http://studyjams.scholastic.com/studyjams/jams/math/multiplication-division/single-digit-division.htm
- practice
http://education.jlab.org/placevalue/gamepage.html
identify place value
http://www.toonuniversity.com/flash.asp?err=496&engine=5
base ten blocks
http://www.learningbox.com/Base10/BaseTen.html
identify base ten block values
http://www.ictgames.com/sharkNumbers_v2.html
multiplication practice
http://www.multiplication.com/games/play/granny-prix-multi
· AKS
AKS: 12.NBT.1 use place value understanding to round whole numbers to the nearest 10 or 100
· AKS: 13.NBT.2 add and subtract fluently within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction
· AKS: 14.NBT.3 multiply one-digit whole numbers by multiples of 10 in the range 10 ̶ 90 (e.g., 9 x 80, 5 x 60) using strategies based on place value and properties of operations
AKS: 12.NBT.1 use place value understanding to round whole numbers to the nearest 10 or 100
· AKS: 13.NBT.2 add and subtract fluently within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction
· AKS: 14.NBT.3 multiply one-digit whole numbers by multiples of 10 in the range 10 ̶ 90 (e.g., 9 x 80, 5 x 60) using strategies based on place value and properties of operations