Math AIMS Blitz Number Sense

Thursday, March 11, 2010

Periods 4, 5, & 6

Period 4 – Absolute Value ANSWERS

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

Find the absolute value of each.

1. |16| 16

2. |½| ½

3. |-¼| ¼

4. |3.56| 3.56

5. - |10| -10

6. - |-15| -15

7. |5 – 3| 2

8. |5 – 8| 3

9. |-|

10. - |7 + 2| -9

Period 5 – Writing Numerical SentencesHow many words can you name that indicate….

addition? subtraction? multiplication? division?

Period 5 – Writing Numerical Sentences ANSWERSHow 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

…

Period 6 – Writing Numerical SentencesAssign variables and write the verbal sentence as a numerical expression.

1. Mr. Quintanar is 10 years older than Mrs. Scull.2. Mr. Razo has taught 20 years fewer than Mr. Ellis.3. Mr. Forsythe is 13 years more than one-fourth

Mrs. Dolezal’s age.4. The number of students in Ms. Macias

class is 5 more than double the number of candy bags she recently purchased.

Period 6 – Writing Numerical SentencesAssign variables and write the verbal sentence as a numerical expression.

1. Mr. Lewis may be 17 years older than Mrs. Scull.

L = Mr. Lewis; S = Mrs. Scull L = S + 172. Mr. Razo has taught 20 years fewer than Mr. Ellis.

R = Mr. Razo; E = Mr. Ellis R = E - 203. Mr. Forsythe is 13 years more than one-fourth

Mrs. Dolezal’s age. F = Mr. Forsythe; D = Mrs. Dolezal F = 1/4D + 13

4. 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