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Math AIMS Blitz

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Math AIMS Blitz

Number Sense

Thursday, March 11, 2010

Periods 4, 5, & 6

Absolute Value: distance a number is from 0. Examples: |-5| = 5 and |5| = 5

- Find the absolute value of each.
- |16| 16
- |½| ½
- |-¼| ¼

- - |-15| -15
- |5 – 3| 2

- |5 – 8| 3
- |-|
- - |7 + 2| -9

- |3.56| 3.56
- - |10| -10

How many words can you name that indicate….

addition? subtraction? multiplication? division?

How many words can you name that indicate….

addition? subtraction? multiplication? division?

Answers will vary. May include:

More

Greater

Addition

Increase

Ascend

Sum

Older

…

Answers will vary. May include:

Less

Fewer

Subtraction

Descend

Lower

Difference

Younger

…

Answers will vary. May include:

Product

Double

Triple

Multiply

Times

…

Answers will vary. May include:

Divide

Half

Quarter

Quotient

Division

…

Assign variables and write the verbal sentence as a numerical expression.

- Mr. Quintanar is 10 years older than Mrs. Scull.
- Mr. Razo has taught 20 years fewer than Mr. Ellis.
- Mr. Forsythe is 13 years more than one-fourth Mrs. Dolezal’s age.
- The number of students in Ms. Macias class is 5 more than double the number of candy bags she recently purchased.

Assign variables and write the verbal sentence as a numerical expression.

- Mr. Lewis may be 17 years older than Mrs. Scull. L = Mr. Lewis; S = Mrs. Scull L = S + 17
- Mr. Razo has taught 20 years fewer than Mr. Ellis. R = Mr. Razo; E = Mr. Ellis R = E - 20
- Mr. Forsythe is 13 years more than one-fourth Mrs. Dolezal’s age. F = Mr. Forsythe; D = Mrs. Dolezal F = 1/4D + 13
- The number of students in Ms. Macias class is 5 more than double the number of candy bags she recently purchased.
S = Students; C = Candy S = 2C + 5