1.1 Estimating Strategies
1.2-1.4 Operations with Decimals
1.6 Comparing and Ordering Integers
1.7-1.9 Operations with Integers and Order of Operations
Properties and Definitions
100
What are the three different estimation strategies?
Rounding, Front End Estimation and Compatible Numbers
100
3.061 + 1.8
4.861
100
Order these integers from least to greatest: 2, -7, 5, 0, -3
-7, -3, 0, 2, 5
100
Solve: -92 + 126
34
100
The distance a number is from zero on the number line
A number's absolute value
200
Estimate using compatible numbers: 68.5 ÷ 7.02
About 10
200
2.7 x 6.25
16.875
200
Compare using < > or =: -9 ▢ -11
-9 > -11
200
Solve: -14 - 14
-28
200
Identify the property shown: 4 x (3 x 7) = (4 x 3) x 7
Commutative property of multiplication
300
Estimate by rounding to the nearest whole number: 21.18 - 17.92
About 3
300
300.04 - 29.87
270.17
300
Compare using < > or =: |-3| ▢ 5
|-3| < 5
300
Simplify using the distributive property: 8 (5 - 3)
16
300
Identify the property shown: 23 + 14 = 14 + 23
Associative property of addition
400
Estimate by rounding to the nearest whole number: 9.86 x 9.13
About 90
400
56.4 ÷ 4.7
12
400
Compare using < > or =: |6| ▢ -6
|6| > -6
400
Solve: -195 ÷ 13
-15
400
Two numbers that are the same distance from zero on a number line, but are in opposite directions.
Opposites
500
Find the sum using front end estimation: $7.99 + $2.79 + $4.15 + $2.09
About $17
500
592 ÷ 0.8
740
500
Order these integers from least to greatest: -4, |8|, -2, |-6|, |3|
-4, -2, |3|, |-6|, |-8|
500
Simplify: 48 ÷ (-4 x 3) +2
-2
500
All of the positive numbers, their opposites, and zero.
Integers
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