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Teen numbers (ten and some ones) Transitional Reasoning Practice

Math · Number Sense & Operations · Math · Counting & Place Value

3 Math practice questions on Teen numbers (ten and some ones). Questions that build towards applied reasoning.

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Questions

  1. 1.

    Elena makes two secret number cards using the rule that teen numbers are made of one ten and some ones. Card X shows the number 13, which has 1 ten and 3 ones. Card Y is also a teen number with 1 ten, but it has twice as many ones as Card X. What number is written on Card Y?

    • A) 14
    • B) 15
    • C) 16
    • D) 18
  2. 2.

    Talia uses connecting cubes to build numbers as one group of ten and some extra ones. She builds 1 tower of 10 blue cubes and places 5 single green cubes next to it to represent 15. What should Talia do to change her cubes so that they represent 19?

    • A) Keep the tower of 10 blue cubes and take away 4 green cubes
    • B) Keep the tower of 10 blue cubes and add 4 green cubes
    • C) Add 1 more tower of 10 blue cubes and keep the 5 green cubes
    • D) Take away the tower of 10 blue cubes and add 9 green cubes
  3. 3.

    Priya packs pencils into boxes of 10. She fills 1 full box of 10 pencils and has 5 loose pencils on her desk. Jonah also has 1 full box of 10 pencils, but he has 2 fewer loose pencils than Priya. What is the total number of pencils that Jonah has?

    • A) 17 pencils
    • B) 15 pencils
    • C) 12 pencils
    • D) 13 pencils

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