Praxis Test Prep

You ask your class to add 435 pencils and 245 pens to determine how many writing utensils they have. Why do some students answer 670?

• They are correct.

• They forgot to carry one into the tens column when adding 5 and 5.

• They do not understand addition.

• They do not understand place value.

One of Ms. Hobson’s students solved 457 + 138 incorrectly.

Student work: 457 + 138 = 585

Ms. Hobson wants to give the student another problem to see if the students truly misunderstands or if it was a careless mistake. Which of the following problems would be most helpful for Ms. Hobson to use?

• 784 + 214

• 555 + 134

• 394 + 182

• 871 + 225

Which mathematical principle will help students check the reasonableness of an answer to a two-digit multiplication problem?

• Associative Property

• Estimation

• Ratio

• Probablity

An elementary teacher has 3 packages of paper. One paper package contains 34 blue pages, another package contains 50 green pages, and the third package contains 70 which pages. If the teacher divides all the pages equally among 22 students, how many pages will each student receive?

• 5

• 6

• 7

• 8

You are a math teacher who writes the following on the board:

  Number One: 846,307

  Number Two: 209,023

How many times larger is the digit 3 in the first number compared to the second number?

• 100

• 10

• 4

• 2

In the number 918.0274, you ask the class which number is in the tenths place. Joan answers 2. Where is she making her mistake?

• She doesn't understand cardinality

• She miscounted her decimal places.

• She thinks the decimal is a comma.

• She is not incorrect.

In teaching his class about rounding decimals, Mr. Tony asks them to round 43.6 to the nearest whole number. What would it be?

• 40

• 44

• 46

• 50

How much greater is 0.01 than 0.001?

• 10 times

• 50 times

• 100 times

• 1000 times

Which of the following numbers has the greatest value?

• 9,299 ones

• 903 tens

• 93 hundreds

• 9 thousands

Which three expressions are equivalent to  3,956 x 4?

• 3,000 x 4 + 900 x 4 + 50 x 4 + 6 x 4

• (4,000 x 4 - 100 x 4) + (60 x 4 - 4 x 4)

• 4 x 3 + 4 x 9 + 4 x 5 + 6 x 4

• 4,000 x 4 - 40 x 4 - 4 x 4

• 3 x 1,000 x 4 + 95 x 10 x 4 + 6 x 1 x 4