1) How many times greater is the value of the digit 4 in 401,270 than the value of the digit 4 in 210,407? a) 1/10th b) 10 times c) 1/100th d) 1,000 times 2) Christian has $14,250 Brock Bucks. Cali has 1/10th as much money as Christian. How much money does Cali have? a) $142 b) $1,425 c) $142,500 d) $1,425,000 3) Landon has 7,120 baseball cards. Aarush has 712. Landon says he has 1,000 times more cards than Aarush. Is Landon correct? a) Yes, because 1,000 x 712 = 7,120 b) No, because it's only 10 times more. 10 x 712 = 7,120 4) Which of the following is equal to 14? a) 7 + (9≑4) + 2 x 5 b) (7 + 9) ≑ 4 + 2 x 5 = c) 7 + 9 ≑ (4 + 2 ) x 5 d) (7 + 9) ≑ (4 x 2) x 5 5) Which expression matches the phrase: Add 7 and 4, then multiply by 8. a) (7+4) x 8 b) 8 x 7 + 4 c) 7 + 4 + 8 6) Which expression matches the following phrase: Add 6 and 5, then multiply 3 a) 33 b) (6+5) x 3 c) 6+5x3 d) 6 + (5x3) 7) Which expression matches the following phrase: Add 5 to the quotient of 26 and 2 a) (5 + 26) ≑ 2 b) 26 ≑ 2 + 5 c) 18 8) Given the expression 12 + 78, which expression shows it as three times as large? a) 270 b) (12 + 78) x 3 c) 90 x 3 9) Given the expression 12 + 78, which expression shows it as half the amount? a) (12 + 78) ≑ 2 b) 90/2 c) 45 10) Timmy is 8 years old. His sister Karen is 4 years less than twice his age. Which numerical expression best represents how to find Mary's age? a) 8 + 8 = 16 b) 2 x 8 - 4 = 12 c) 16 - 4 = 12 11) Which of the following is equal to 13? a) 3 + (9 ≑4) + 2 x 5 b) 3 + 9 ≑ (4-2) x 5 c) (3 + 9) ≑ 4 + 2 x 5

Unit 1 Math Study Questions

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