Add and Subtract Fractions

Estimate Sums and Differences of Fractions

100

What would 2/3  round to when you estimate?

1/2!

200

What is 3/4 - 7/8 when estimating?

0!

300

Would 3/12 + 16/24 be less than, greater than, or equal to 1 when estimating?

equal to 1!

400

What is 20/27 + 4/7 when estimating?

1 1/2!

500

What is 7/19 + 18/7 when estimating?

3!

Add and Subtract Fractions with Unlike Denominators

100

2/6 + 2/12?

6/12 or 1/2!

200

9/16 - 3/8?

3/16!

300

9/12 + 8/9?

1 46/72!

400

7/24 + 6/9?

69/72!

500

14/5 - 7/4?

1 1/20!

Add and Subtract Mixed Numbers with Unlike Denominators with and without Regrouping

100

3 2/5 + 2 2/10?

5 6/10!

200

4 2/7 + 3 3/9?

7 39/63!

300

6 4/11 - 3 2/8?

3 10/88!

400

4 5/12 - 3 14/18?

23/36!

500

12 8/18 - 7 19/24?

4 47/72!

Equivalent Fractions and Lowest Terms

100

What are the lowest terms for 24/48?

1/2!

200

What is equivalent to 8/10 but only going lower? M.C.Q.

4/6 and 6/8!

300

What are the lowest terms for 7/21?

1/3!

400

What is equivalent to 12/60 but only going lower? M.C.Q. Choose 3 at least.

11/55, 10/50, 9/45, 8/40, 7/35, 6/30, 5/25, 4/20, 3/15, and 2/10! 

500

What are the lowest terms for 9/117?

1/13!

Review

100

What is 51.7 in Word Form?

Fifty-one and seven tenths!

200

1256.312 + 832.679=? ( round to nearest hundred)

2100!

300

0.4 x 0.2=?

0.08!

400

389.6 x 10 to the power of 5?

38,960,000!

500

9.643 x 12.431=? Use a range to solve it. Give the range not a number in it.

108-130!