Number Sense 6-8 Week 1

Multiplication

100

11 xx 41 =

What is 451?

200

18+4 xx 5 =

What is 38?

300

13 ²

What is 169?

400

25 xx 29 =

What is 725?

500

4.8 xx 4.2 = 

What is 20.16?

Division

100

6 ÷ 0.3 = 

What is 20?

200

576 ÷ 4 = 

What is 144?

300

sqrt 144

What is 12?

400

2250 meters = _______ kilometers (mixed number)

2 1/4

kilometers

500

912347 ÷ 223 = (Estimate!)

What is 4904?

3889 —- 4298 

[4093.48] 

Money!

100

35 quarters = $

What is $8.75?

200

$18.46 + $23.24 =

What is $41.70

300

40% of $15.00 is

What is $6.00

400

If 3 pies cost $8.40, then one dozen pies cost

What is $25.60?

500

If 4 limes cost $1.52, how much will a dozen limes 

cost

What is $4.56?

Fractions

100

7 1/4 xx 1 1/4 =

What is 

9 1/16

200

2/3 - 4/9 =

What is 

2/9

300

Which is smaller:

2/7 OR 5/18

What is 

5/18

400

 2 1/6 ft  in inches

What is 26 inches?

500

8/11 + 11/8 = 

What is

185/88 or 2 9/88

 

Random

100

XXXIV =____________ (Arabic numerals)

What is 34?

200

13 + 4^2 xx 2 - 11 =

What is 34?

300

If N= -2, then N²+12N+36=

What is 16?

400

Estimate: 

912347 ÷ 223 =

What is 3889 —- 4298 

[4093.48] 

500

How many positive integral divisors does 24 have?

What is 8? (1, 24; 2, 12; 3, 8; 4, 6)