1) Antonella has some skittles. She eats 3 skittles. Now she has 10 skittles left. How many skittles did she start with? a) 7 b) 13 c) 14 2) Zion has 12 pokemon cards. Langston gives him some more pokemon cards. Now Zion has 17 pokemon cards. How many pokemon cards did Langston give to Zion? a) 5 b) 29 c) 20 d) 6 3) Annie has 16 stickers. She gives 7 stickers to Briana. How many stickers does Annie have left? a) 10 b) 7 c) 9 4) What is 17 - 6? a) 8 b) 11 c) 12 5) What is 20 - 6? a) 14 b) 13 c) 10 6) Find the unknown: 13 - ? = 5 a) 6 b) 7 c) 8 7) Find the unknown: 17 - ? = 14 a) 3 b) 1 c) 12 8) Find the unknown: 12 + ? = 19 a) 8 b) 7 c) 6 9) Find the unknown: 9 + ? = 13 a) 3 b) 22 c) 4 10) Find the unknown: 15 + ? = 20 a) 1 b) 5 c) 9
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Finding the Unknown
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