Rock Subtraction
Flashcard
•
World Languages
•
3rd Grade
•
Hard
Wayground Content
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4 questions
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1.
FLASHCARD QUESTION
Front
How many rocks in your collection have a dull luster if you have a total of 482 rocks and 215 have a shiny luster?
Back
267
2.
FLASHCARD QUESTION
Front
How many rocks do not have a rough texture if 736 rocks were found and 352 have a rough texture?
Back
384
3.
FLASHCARD QUESTION
Front
In a colorful rock competition, you discover 564 vibrant rocks. If 187 of those rocks are blue, how many rocks are not blue?
Back
377
4.
FLASHCARD QUESTION
Front
How many rocks have a hardness rating lower than 10?
Back
177
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