Ages 7–8🧮 Mathematics10 verified questions on this shelf
Mentally adding tens to 3-digit numbers
Mentally add and subtract a three-digit number and tens
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Question 1 of 3
Sam has 285 stickers. He gets a new pack that adds 80 stickers. How many stickers does Sam have now?
Question 2 of 3
Sara has 527 stickers. She receives a pack that contains 60 additional stickers. How many stickers does she have in total?
Question 3 of 3
What is 345 + 40?
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A free account keeps practising Mentally adding tens to 3-digit numbers with 10 verified questions, tracks the Skill as it blooms, and connects a real teacher when you want one. Every student account needs a parent's email first.