Group B Math Bowl

Expanded Form

100

Build a 4 digit number from the part 3 + 40 + 0 + 2000

2,043

200

3 + 4000 + 0 + 600 equals?

4,603

300

900 + 90 + 1000 + 1 equals?

1,991

400

6 + 400 + 3000 + 10

3,416

500

What is the value of 80 + 3 + 800 + 8000?

8,883

Mental Math

100

23 + 57

80

200

56 + 56

112

300

255 + 245

500

400

827 + 874

1,701

500

5,000 + 5,500 + 2,500

13,000

Problem Solving

100

Using coins show 2 different ways to make 25 cents.

Either:

* 25 pennies 

* 5 nickels

* 2 dimes & 5 pennies 

* 2 dimes and 1 nickel

* 1 quarter 

200

Sue swims in the pool from 1:12pm to 2:00pm. For how many minutes did she swim?

48 minutes

300

The Richardson family has four children:  Tiasha 17, Ruvimbo 13, Dorothy 9  and Michael.  If the total of the children's ages is 45, how old is Michael?

6 years old

400

There are 12 flowers with 3 bees on each flower. How many bees are there in all?

There are 36 bees. 

500

There are 3 pigs, 6 cows and 2 chickens. How many legs are there all together?

3*4= 12

6*4= 24

2*2= 4

12+24+4= 40

40 legs all together

Multiplication

100

6 x 3

18

200

7 x 7

49

300

4 x 6

24

400

25 x 4

100

500

5 x 12

60

Rounding

100

When rounding to the nearest hundred, what place should you focus on?

tens

200

What is 66 rounded to the nearest 10?

70

300

What is 723 rounded to the nearest hundred?

700

400

What is 162 rounded to the nearest ten?

160

500

What is 995 rounded to the nearest 10?

1,000