1. Unit 1/2 Estimation and Computation Students will know that…
Essential Question: Why Estimate?
How does place value help me estimate and find answers?
How can I use landmarks to help me interpret data?
Unit 1/2
For Unit 1 we will be doing some basic review of multiplication and division, prime and composite numbers, square numbers
Vocabulary Words
Algorithm
Ballpark estimate
Certain
Column-addition method
Difference
Digit
Estimate
Expanded notation
False number sentence
Impossible
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 value
Range
Reaction Time
Relation symbol
Sample
Solution
Stimulus
Subtrahend
Trade-first method
True number sentence
Variables
Equations
Students will understand that…
place value is organized using powers of 10 in order to estimate and compute.
a variety of strategies can be used in order to efficiently solve problems.
Students will know that…
estimation can help determine how reasonable the answer is.
decimal point is stated as “and”.
multiple ways to add, subtract and multiply whole numbers.
multiple ways to add and subtract with decimals.
place value: millions - millionths.
Helpful Math Videos
We have a large number of vocab words this unit because many of them are review from previous years!
Adding Decimals
Subtracting Decimals
Multi-digit multiplication
Place Value
Mean, Median, Mode