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Practice Test 3 - 1st Grade Math

20 questions. Answer them in any order, then submit to see your score and every explanation.

  1. 20−14=?20-14=? is the same as 14+?=2014+?=20. What number goes in ??
  2. Find the missing number: 12− ?=712 - \ ? = 7
  3. Reference the construction shown. Tom makes a tower using 5 cubes stacked up. He then takes apart his tower and uses 4 of those cubes plus 3 cylinders to make a castle. Next, he adds his leftover cube and 2 more cylinders to his castle to make a bigger castle. How many cylinders are in Tom's bigger castle?
  4. Sofia has 43 stickers and gets 5 more. How many now?
  5. Maya has 50 crayons. She uses 50. How many crayons does Maya have left?
  6. Look at this equation: 8=3+?8 = 3 + ?. What number makes this equation true?
  7. Ten straws are held together with a rubber band. What do we call this bundle?
  8. Sofia bundles 10 sticks into one group. What is the name of this bundled group?
  9. Find the missing number: 18−□=1018 - \square = 10.
  10. Look at the number 18. How many tens are in 18?
  11. Chen has 6 pencils. He gets some more pencils. Now he has 11 pencils. How many pencils did Chen get?
  12. Emma measured a car with shoes. How long is it?
  13. Amir shows 13 with base-10 blocks. How many ones are in 13?
  14. Emma trades 10 ones. How many tens does she get?
  15. Amir has 61 cards. Keisha has 16 cards. Who has more?
  16. Start at 80 on the number line and jump back 30. What number do you see?
  17. To add 8+2+58+2+5, which grouping makes 10 first?
  18. Ben wants to put 1010 stickers on a page using 44 different groups. Three groups have 22, 33, and 11 stickers. If he puts 55 stickers in the fourth group instead of the right amount, how many stickers will he have on the page?
  19. Tommy wants to build a tower that is exactly 22 blocks taller than his friend's tower. His friend's tower has 66 blocks. Tommy has many blocks and wants to make sure his tower is the right height. What would work best?
  20. Look at this pattern: 1+9=101 + 9 = 10, 2+8=102 + 8 = 10, 3+7=103 + 7 = 10. Marcus says 7+37 + 3 must equal 11 because it comes next in the pattern. Is Marcus right?

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