1) In 63.05, five is in a) the tenths place. b) the hundredths place c) the one's place d) in the one's place 2) In 3.149, one is in a) the tenths place. b) the hundredths place c) the one's place d) the thousandths place 3) (3 x 10) + (5 x 1/10) + (7 x 1/1,000) = a) 35.70 b) 30.507 c) 3.507 d) 3.057 4) 8.042 = a) (8 x 1/10) + (4 + 1/100) + (2 x 1/1,000) b) (8 + 1) x (4 + 1/10) x (2 + 1/1,000) c) (8 x 1) + (4 x 1/100) + (2 x 1/1,000) d) (8 x 1/100) + (4 x 1/100) + (2 x 1/1,000) 5) 2-3 = a) 1/2-3 b) 1/23 c) 2/32 d) 1/32 6) 125 = a) 52 b) 53 c) 54 d) 51 7) 123 = a) 312 + 412 b) 312 x 412 c) 33 x 43 d) 32 x 42 8) 6 x 7 = a) 3 x 2 x 7 x 1 b) 3 x 2 x 17 c) 3 x 2 x 70 d) 7 x 2 + 3 x 1 9) 10-3 a) 0.100 b) 0.01 c) 0.001 d) 0.0001 10) 148 = a) 22 x 37 b) 23 x 36 c) 302 x 72 d) 352 + 3 + 4

Number sense/concept review

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