Ages 6–7🧮 Mathematics9 verified questions on this shelf

Mental addition and subtraction (age 6+)

Add and subtract a two-digit number and ones mentally and using concrete/pictorial representations

Try three questions

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Question 1 of 3

Emma has 36 marbles. She finds 7 more marbles on the playground. How many marbles does Emma have now?

Question 2 of 3

Mason collected 57 shells on the beach. He picks up 8 more shells. How many shells does he have now?

Question 3 of 3

What is the sum of 36 and 7?

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A free account keeps practising Mental addition and subtraction (age 6+) with 9 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.

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Skill names and descriptions include the Marble Skill Taxonomy © Generative Spark, Inc. (withmarble.com), licensed under ODbL 1.0 (database) and CC BY-SA 4.0 (content). Practice questions are GlowGrades's own, each checked by independent verifiers that must agree before a child ever sees it.