Mystery Number
300 - ? = 200
100
597-180=
417
52-31=
21
There are 423 boys and 590 girls at a soccer game. How many more girls than boys are there in the game?
167
? - 200 = 300
500
383-147=
236
79 - 35 =
44
Julie drove for 225 km to visit Toronto from Kingston. Her friend, Stacey, drove 797 km from Quebec. How many more km than Julie did Stacey drive?
572
? - 400 = 800
400
892-639=
253
65 - 13 =
52
Zoe wrote down on a paper her guess for the unicorn food at the book fair. She guessed that the number of fruit loops in the jar was 356 but the book fair revealed that the exact number of fruit loops was 890. How many fruit loops fewer than what was in the jar did Zoe guess?
534
900 - ? = 500
400
973-556=
417
47 - 45 =
2
Nick borrowed $267 from his mom and he promised to pay her back once he got paid. Next paycheck, he received $969 and he paid his mom the money as promised. How much money was he left with?
$702
? - 200 = 700
900
464-138=
326
99 - 37 =
62
There were 503 people standing and 342 people sitting at a concert. How many more people standing than sitting were there at the concert?
161