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Addition & Subtraction Problem Solving

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  • Make the equation true. 32+_____= 19 + 6+ 15
    8
  • Find the missing number that makes each equation true. 21-10 = 15 - ____
    4
  • Blyth has 47 more crayons than Mason. Blyth has 71 crayons. How many crayons does Mason have?
    Mason has 24 crayons.
  • Emma has 30 mini erasers. Zoey gives her 15 more. How many mini erasers does Emma have in all?
    Emma has 45 mini erasers.
  • Ji Sung has 14 fewer dimes than Molly. Molly has 65 dimes. How many dimes does Ji Sung have? (Use a bar diagram!)
    Ji Sung has 51 dimes.
  • Mia has 37 pencils. She buys some more. Now Mia has 54 pencils. How many pencils did Mia buy?
    Mia bought 17 pencils.
  • Yehan has 22 pokemon cards. Misaki has 25 more pokemon cards than Yehan. How many pokemon cards does Misaki have?
    Misaki has 47 pokemon cards.
  • Lucas has 23 more stamps than Leah. Lucas has 42 stamps How many stamps does Leah have? Hint: use a bar diagram to compare!
    Leah has 19 stamps.
  • Write a number story for 75 - 28 = ? Then solve the problem.
  • What makes this a true equation? 49+20=39+____
    30
  • Sol needs 86 beads to make a necklace. He has 34 red beads and 17 yellow beads. How many blue beads does Sol need? (Hint- this is a two step problem!)
    35