Math Videos
Subtracting Across Multiples of Thousands the Old School Way (Not recommended by Mrs. Torch, but it does work)
Subtracting from Multiples of Thousands Using the Same Difference Strategy (recommended)
Old School Subtraction with Regrouping Across Zeros (not my favorite way, but if it works for you, use it) NBT.4
This is the Lasso method for subtracting multi-digit numbers containing zeros using place value understanding (Mrs. Torch recommended method).
www.virtualnerd.com/common-core/grade-4/4_NBT-numbers-operations-base-ten/B/4/subtract-whole-numbers
https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-rounding-whole-numbers/v/rounding-whole-numbers-1
https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-rounding-whole-numbers/v/rounding-whole-numbers-2
https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-rounding-whole-numbers/v/rounding-whole-numbers-2
dice_and_card_games_to_practice_math_facts.pdf | |
File Size: | 390 kb |
File Type: |