Unit 2: Estimation and Computation
Unit 2 At A Glance
On Going Goals...
Unit Goals...
Useful Downloads... (Some documents are password protected. Hint: " It's great to be a Lovett ____.)
Extra Practice By Lesson... ( Do not do the practice pages until you have completed the lesson in class.)
Unit 2 Games (Many of these can be found online too!)
Unit 2 Vocabulary (Use the online SRB to look up these terms.)
- recite all multiplication facts automatically, (without counting on my fingers.)
- recognize patterns in multiples of 10
- recite division facts automatically
- devise an estimation strategy to solve a problem
- continue to develop measurement and probability strategies
Unit Goals...
- devise an estimation strategy to solve a problem
- subtract multi-digit numbers using the trade-first and partial-differences methods
- review and apply vocabulary associated with chance events
- make magnitude estimates for products of multi-digit numbers
- review and practice the lattice method for multiplication of numbers
- understand the relative sizes of 1 million, 1billion, and 1 trillion
Useful Downloads... (Some documents are password protected. Hint: " It's great to be a Lovett ____.)
Extra Practice By Lesson... ( Do not do the practice pages until you have completed the lesson in class.)
- 2.1: Estimation Challenge
- 2.2: Addition of Whole Number and Decimals
- 2.3: Subtraction of Whole Numbers and Decimals
- 2.4: Addition and Subtraction Number Stories
- 2.5: Estimate Your Reaction Time
- 2.6: Chance Events
- 2.7: Estimating Products
- 2.8: Multiplication of Whole Numbers and Decimals
- 2.9: The Lattice Method of Multiplication
- 2.10: Comparing Millions, Billions, and Trillions
Unit 2 Games (Many of these can be found online too!)
- 2.2: Addition Top-It
- 2.3: Subtraction Target Practice
- 2.4: Name That Number
- 2.5: High Number Toss (Decimal Version)
- 2.7: Multiplication Bull's-Eye
- 2.9: Factor Bingo
- 2.10: High-Number Toss
- 2.10: Number Top-It
- Any math fact games from the games tab at the top or your teacher's website
- Here are some additional Everyday Math game resources that are broken down by grade and unit. Games by grade and unit
Unit 2 Vocabulary (Use the online SRB to look up these terms.)
- algorithm
- ballpark estimate
- certain
- column-addition method
- difference
- digit
- estimate
- expanded notation
- false number sentence
- impossible
- lattice method
- magnitude estimate
- maximum
- mean (average)
- median
- minimum
- minuend
- mode
- number sentence
- open number sentence
- operation symbol
- partial-differences method
- partial-products method
- partial-sums method
- place
- place value
- Probability Meter
- range
- reaction time
- relational symbol
- sample
- solution
- stimulus
- subtrahend
- trade-first method
- true number sentence
- value
- variable