Fractions
What is 1/3 in twelfths?
4/12
40 x 90
3600
What would you estimate 42 x 18
800 (40 x 20)
What is 6/100 + 7/10? You HAVE to answer in decimal AND fraction
76/100 or 0.76
What is 2/6 in 24ths?
8/24
50 x 42 =
2100
What would you estimate 99 x 24
2500 (100 x 25)
How would you write in words the following decimal? 0.29
Twenty nine hundredths
Re-write these two fractions with a common denominator: 2/4 and 4/6
6/12 and 8/12 or 12/24 and 16/24
278 x 8
2224
Is 1000 a reasonable estimate for 43 x 17? Why or why not?
No, because 50 x 20 = 1000 and that would mean you rounded 43 to 50 and 17 to 20 and that's too much rounding for a reasonable estimate.
If Antonio got paid $2.75 an hour for babysitting and he worked 12 hours, how much money did he make?
$33
How much greater is 1/2 than 1/3?
1/6 or 2/12
91 x 44
4004
Estimate (48 x 19) + (9 x 21)
1,200 (48 x 19 becomes 50 x 20 AND 9 x 21 = 10 x 20 or 200). 1000 + 200 = 1,200
What is 6/8 + 3/4?
1 and 4/8 or 1 and 2/4 or 1 and 1/2
How much greater is 5/6 than 1/12?
9/12 or 3/4
278 x 59
16,402
Estimate 187 x 109
20,000 (200 x 100)
There are 18 students in E7. If each student brought 3 cookies on Monday, 7 cookies on Tuesday, and 12 cookies on Friday, how many cookies did they bring in altogether?
396 cookies