mental arithmetic exercise
Authored by FONG -
Mathematics
7th - 11th Grade
CCSS covered
Used 21+ times
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21 questions
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1.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
Calculate the following: 67+55+71+77+98+22
(a)
Tags
CCSS.2.NBT.B.7
CCSS.3.NBT.A.2
2.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
Calculate the following: 12+53+13+79+21+43
(a)
Tags
CCSS.2.NBT.B.7
CCSS.3.NBT.A.2
3.
FILL IN THE BLANK QUESTION
10 sec • 1 pt
What are the prime factors 40? (factors of 40 that are prime)
(a)
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Calculate the sum of the following: 1+2+3+4+5+...+100
5000
5005
5050
5500
5.
FILL IN THE BLANK QUESTION
5 sec • 1 pt
Convert 0.22 into percentage (include % symbol)
(a)
6.
FILL IN THE BLANK QUESTION
5 sec • 1 pt
Convert the recurring decimal 0.333333... into fraction (use format x/y)
(a)
Tags
CCSS.7.NS.A.2D
CCSS.8.NS.A.1
7.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Which of the following is the compound interest formula?
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