Kindergarten Counting & Cardinality Practice โ€” Hard

Question 1 of 41Score 0/0Hard

Question 1 of 41: If you have 3 red balls and 3 blue balls, how many balls in all?

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Keep going: Read the lesson: Numbers 1 to 10 Visual Object Counter Number Line Plotter
Answer key for parents & teachers (41 questions)
  1. If you have 3 red balls and 3 blue balls, how many balls in all? โ€” 6. 3 red + 3 blue = 6 balls. Count them all together!
  2. The numbers 1โ€“10 in order โ€” which one is right in the MIDDLE? โ€” 5. 1,2,3,4,5,6,7,8,9,10 โ€” there are 10 numbers. The middle of 10 is between 5 and 6. 5 is the lower middle!
  3. How many wheels does a tricycle have? โ€” 3. "Tri" means 3 โ€” a tricycle has 3 wheels!
  4. I am thinking of a number. It is more than 4 and less than 7. It is NOT 6. What is it? โ€” 5. More than 4 and less than 7 means 5 or 6. Since it is not 6, the answer is 5!
  5. Which set has the SAME number as ๐ŸŒŸ๐ŸŒŸ๐ŸŒŸ๐ŸŒŸ? โ€” ๐ŸŽ๐ŸŽ๐ŸŽ๐ŸŽ. 4 stars โ€” we need a set with 4 items. ๐ŸŽ๐ŸŽ๐ŸŽ๐ŸŽ is 4 apples โ€” they match!
  6. Which is true: 11 ___ 18? โ€” 11 < 18. 11 is less than 18 because 11 comes before 18 when counting!
  7. I am a teen number. I have 10 and 5 extra. What am I? โ€” 15. 10 + 5 = 15. The riddle describes the number fifteen!
  8. Count these tens and ones: ๐Ÿ“ฆโœ๏ธโœ๏ธโœ๏ธโœ๏ธโœ๏ธโœ๏ธ (1 box of 10, 6 pencils). What number? โ€” 16. 1 ten (10) + 6 ones = 16. One box plus six loose pencils = sixteen!
  9. How many teen numbers are there (11 through 19)? โ€” 9. Count: 11, 12, 13, 14, 15, 16, 17, 18, 19 โ€” that is 9 teen numbers!
  10. If I have 10 grapes and pick 4 more, how many do I have? โ€” 14. 10 + 4 = 14. Ten grapes plus four more equals fourteen!
  11. Which number has the digit "1" in the tens place AND a different digit in the ones place? โ€” All numbers 11โ€“19. All numbers from 11 to 19 have a 1 in the tens place and a different digit (1โ€“9) in the ones place!
  12. What is 1 less than 15? โ€” 14. 1 less than 15 means we count back one step: 15 โ†’ 14!
  13. Which number is GREATER: 64 or 46? โ€” 64. 64 has 6 tens while 46 only has 4 tens, so 64 is greater!
  14. How many tens are in the number 70? โ€” 7. 70 = 7 tens and 0 ones. There are 7 tens in 70!
  15. What number is 10 more than 53? โ€” 63. 53 + 10 = 63. Adding 10 moves us to the next decade!
  16. I am between 85 and 90, and I am odd. Which numbers could I be? โ€” 87, 89. Between 85 and 90: 86, 87, 88, 89. The odd ones (end in 1,3,5,7,9) are 87 and 89!
  17. Count the decades to 100. How many complete groups of 10 are there? โ€” 10. 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 โ€” there are 10 groups of ten from 1 to 100!
  18. What number is 1 LESS than 100? โ€” 99. 1 less than 100 is 99 โ€” just one step before one hundred!
  19. Which of these is in the CORRECT counting order? โ€” 50, 60, 70, 80. 50, 60, 70, 80 counts forward by 10 each time โ€” that is the correct counting order!
  20. You have 7 boxes with 10 crayons each. How many crayons total? โ€” 70. 7 groups of 10: 10+10+10+10+10+10+10 = 70. Seven tens equal seventy!
  21. Which skip counting by 10s sequence is shown on a number line? (Marks at 20, 40, 60, 80) โ€” Counting by 20s. 20, 40, 60, 80 โ€” each jump is +20, so this is skip counting by 20s!
  22. I start at 0 and skip count by 10s. Will I land on 55? โ€” No. Skip counting by 10s gives: 10, 20, 30, 40, 50, 60 โ€ฆ 55 is never landed on!
  23. How many 10s are in the number 90? โ€” 9. 90 = 9 tens and 0 ones. There are 9 groups of ten in ninety!
  24. A frog hops 10 lily pads at a time. Starting at 10, after 4 hops, where does it land? โ€” 50. Start at 10: hop 1 = 20, hop 2 = 30, hop 3 = 40, hop 4 = 50!
  25. What is 10 more than 90? โ€” 100. 90 + 10 = 100. One more hop of ten from 90 reaches one hundred!
  26. Skip count by 10s: ___, 50, 60, 70. What is the missing number? โ€” 40. Working backwards: 50 โˆ’ 10 = 40. The missing number is 40!
  27. If Group X has 8 and Group Y has 3, how many MORE does Group X have? โ€” 5. 8 โˆ’ 3 = 5. Group X has 5 MORE than Group Y!
  28. Can one group be BOTH more AND fewer than another group at the same time? โ€” No, never. A group can only be more, fewer, or equal to another โ€” never more AND fewer at the same time!
  29. There are 7 pencils and some erasers. They are equal. How many erasers? โ€” 7. If the groups are EQUAL, the erasers must also number 7!
  30. Group A has 5 items, Group B has 5 items, Group C has 3 items. Which has the FEWEST? โ€” Group C. 3 is the smallest number, so Group C has the fewest!
  31. You need to give 1 sticker to each of 6 friends. You have 4 stickers. Do you have ENOUGH? โ€” No, you need more stickers. 4 stickers < 6 friends. You have FEWER stickers than friends โ€” you need 2 more!
  32. Which comparison symbol fits? 9 ___ 6 โ€” > (greater than). 9 is greater than 6, so we use > (the open side faces the bigger number)!
  33. A classroom has 20 students and 18 desks. Are there enough desks? โ€” No, 2 students have no desk. 18 desks < 20 students. There are FEWER desks than students โ€” 2 students have no desk!
  34. Comparing 0 and 10: which is MORE? โ€” 10 is more. 10 is more than 0. Even zero can be compared โ€” 0 is less than any positive number!
  35. If you are 5th in line and 2 people leave the front, what position are you now? โ€” 3rd. If 2 people leave from in front of you, your position moves forward by 2: 5th โˆ’ 2 = 3rd!
  36. Which number uses -nd as its ordinal ending? โ€” 2nd. Second uses the -nd ending: 2nd. (Also 22nd, 32nd, etc.!)
  37. In a row: ๐ŸŽ๐ŸŒ๐Ÿ‡๐ŸŠ๐Ÿ‹๐Ÿ“. Which fruit is FIFTH? โ€” ๐Ÿ‹ Lemon. 1st=๐ŸŽ, 2nd=๐ŸŒ, 3rd=๐Ÿ‡, 4th=๐ŸŠ, 5th=๐Ÿ‹. The lemon is FIFTH!
  38. Sara is 3rd in line. How many people are IN FRONT of her? โ€” 2. If Sara is 3rd, then 2 people are ahead of her (1st and 2nd)!
  39. Which ordinal numbers use the ending -rd? โ€” 3rd, 23rd, 33rd. The -rd ending is used for 3rd, 23rd, 33rd, 43rd โ€ฆ any number ending in 3!
  40. A book has 10 chapters. You just finished the chapter BEFORE the last one. Which chapter was that? โ€” 9th. The last chapter is 10th. The chapter BEFORE the last one is 9th!
  41. If the 4th person in line is wearing a red hat, and we number them from left to right, how many people are to the LEFT of the red-hat person? โ€” 3. The 4th person has people in positions 1st, 2nd, and 3rd to their left โ€” that is 3 people!