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Mental Maths 1: Bridging Through 10 Flashcards | StudBud
Mental Maths 1: Bridging Through 10
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What is the result of 18 - 7 using the "Bridging Through Ten" strategy?
A
C) Add 7 to 18 to get 25
B
A) Subtract 10 from 18 to get 8, then subtract the remaining 7 to get 1.
C
D) Break 18 into 10 and 8, minus 8 from 10 to get 2, then minus 7 to get 9.
D
B) Subtract 7 from 18 to get 11.
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