Number Thinking( Week 39 Evaluation) 1. What is the 8th odd number before 87? 2. Round 87 to the nearest ten's place. 4. When 12 is subtracted from a certain number, the answer is 30. What is the number? 5. When 12 is added to a certain number, the answer is 183. What is the number? 6. 107 plus a certain number is 199. What is the number? 7. A certain number decreased by 20 is 37. What is the number? 8. What is the biggest two-digit even number you can make using digits 5, 2 and 3? Note that two different digits are required to be used to make a number. 9. What is the smallest two-digit even number you can make using digits 4, 5 and 6? Note that two different digits are required to be used to make a number. 10. Make a 10 using each of the following numbers and operators once and nothing else. Type * for multiplication symbol ×. |