Ages 7–8🧮 MathematicsBeing planted

Mentally adding hundreds to 3-digit numbers

Mentally add and subtract a three-digit number and hundreds

A first look

This shelf is still being planted — the questions are being written and checked. Come back soon. A Skill needs at least 5 checked questions before it opens here.

Question 1 of 3

A charity collected 762 canned goods. If they send 400 cans to another shelter, how many cans are left?

Question 2 of 3

A school bus can hold 527 students. After adding seats for 300 more students, how many students can it hold now?

Question 3 of 3

A toy store has 684 toys on its shelves. After a delivery of 200 more toys arrives, which statement correctly describes how the digits of the new total compare to the original total?

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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.