1) Brenna uses estimation to solve the following problem. Which is closest to the sum? a) 80 + 20 + 80 b) 80 + 20 + 90 c) 80 + 30 + 90 d) 80 + 30 + 100 2) What does the digit 8 represent in the number 480? a) 8 ones b) 8 tens c) 80 tens d) 80 hundreds 3) The school has 37 red skipping ropes and 45 blue skipping ropes. Which number is closest to the total number of skipping ropes that the school has? a) 75 b) 80 c) 85 d) 90 4) What number is equal to 7 hundreds, 13 tens and 6 ones a) 637 b) 736 c) 836 d) 7136 5) Ozzy has 5 dollars in quarters. How many quarters does he have? a) 4 b) 5 c) 20 d) 25 6) Look at the chart. Which TWO numbers are written correctly in words? (PICK 2) a) 76 b) 79 c) 93 d) 96 7) Which of the following is another way to show 4 x 6? a) 4 + 4 + 4 + 4 b) 6 + 6 + 6 + 6 c) 4 x 4 x 4 x 4 d) 6 + 4 8) Amy has 600 cards in her collection. Tyler has 387 fewer cards in his collection than Amy. How many cards does Tyler have in his collection?  a) 987 b) 387 c) 323 d) 213 9) There are 28 students in Daniel's class. The list shows how all the students get to school each morning. How many students ride in buses to get to school? a) 7 b) 21 c) 24 d) 28 10) A group of 33 Grade 3 students and 48 Grade 4 students go to the zoo. What is the total number of students in the group? a) 71 b) 80 c) 81 d) 91 11) Erik has 24 stamps. What is one way to put his 24 stamps into equal groups? a) 3 groups of 6 b) 4 groups of 4 c) 5 groups of 6 d) 6 groups of 4 12) Ethan has 85 stamps in his collection. He gives away some of his stamps and now he has 67 stamps left. How many stamps does Ethan give away? a) 18 b) 28 c) 142 d) 152 13) Kelly and Danny are picking strawberries. Kelly picks 274 strawberries and Danny picks 311. How many more strawberries does Danny pick than Kelly? a) 163 b) 143 c) 47 d) 37 14) Maggie spends $7.25 at the store. If she pays with a $10 bill, how much change should she recieve a) $2.25 b) $2.75 c) $3.25 d) $3.75 15) Which number sentence describes the drawing? a) 1 x 24 = 24 b) 2 x 12 = 24 c) 4 x 6 = 24

Math: Number Sense Review

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