Here are some more Mental Math questions. In a future post I will talk more about the concept of halfway numbers.
Mental Math Questions
Mental Math #6
1.Six minus two and three-fourths
2.Estimate the product of 57 and 81.
3.What is 50% of 73?
4.108 + 999
5.How many fourths in six and one-half?
6.1.7 / 100
7.What is the decimal equivalent of five-sixths?
8.What number is halfway between 138 and 190?
Mental Math #7
9.What is two-thirds of one fifth?
10.How many quarts in 5 gallons?
11.What is 25% of 46?
12.What is 2001 / 1000 ?
13.Four to the third power is what number?
14.11 feet is how many inches?
15.10 is what percent of 5?
16.Apples are 12 cents each and oranges are 13 cents each. What is the total cost of three of each?
Mental Math #8
17.Seven-eights minus three-fourths
18.What is 10% of 156?
19.Write two to the fourth power in factored form and in standard form.
20.How many thirds in eight and two-thirds?
21.What is one-fourth of three-fourths?
22.Find a number halfway between 88 and 106.
Mental Math #9
23.Estimate 82 times 66.
24.How many cups in 3 pints?
25.10.96 / 10
26.Five-sixths minus one-third. (answer in simplest form)
27.What is three-fifths of forty? .
28.Eight to the zero power, divided by eight.
29.If you left at 8:45 am and arrived at 11: 19 am, how long (time) was the trip?
30.Find a number halfway between 102 and 74.
Mental Math # 10
31.Bananas cost 10 cents each and pears cost 12 cents each. What is the total cost of three bananas and four pears?
32.What is 25% of 80?
33.Seven-eights times two.
34.Eleven-sixteenths minus one-half.
35.30 is two fifths of what number?
36.What number is halfway between 390 and 518?
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