Threo Treo Math

Multiplication

100

53X7

371

200

1,825X20

36,500

300

675,076X71=

660,292

400

5,678,901X50,001=

274,007,289,01

500

1,234,567X6,789=

03

Division

100

78/7=

11R1

200

112/4=

28

300

126/2

63

400

1,438,120/9=

1,596,181R3

500

4,268,840,484/8

53,360,506R4

Rounding

100

Round 5,606 to the nearest ten

5,610

200

Round 5,678 to the nearest hundred

5,700

300

Round 5,878 to the nearest thousand

6,000

400

Round 7,178,978 to the nearest million

6,000,000

500

Round 3,230,991,408 to the nearest billion

2,000,000,000

Decimals

100

0.14=

0.14= 14/100

200

0.5=

0.5= 5/10

300

1.25

1.25=1 25/100

400

2.523=

2.523= 2 523/1,000

500

12.12=

12.12= 12 12/100

Random

100

355-120=

235

200

3,128+8,213=

11,341

300

1,618,908 X 160=

295,845,280

400

1,489,894/2=

744,947

500

Mary, Grace, and Melania had 1,577 quarters. Then they gave 15 away to Paige. Then they divided it by three. How many dollars did each person end up with? How quarters did each person end up with?

1. 1,562

2.520R2

3.130 dollars