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Mental Math

Arrays

Double Digit Multiplication

Random Facts

Word Problems

100

Solve using mental math what is 5X9?

=45

100

Draw 10 rows/groups of 1 and provide the answer

=10

100

10x10=

100

1 multiplied by any number is...

ONE

100

Laila is at the mall with Sydney and Sandy when they see a bakery with yummy chocolate chip cookies. The bakery is charging $2.00 for each cookie. They are planning on buying 12. How much money will they need to buy the cookies?

Laila, Sydney and Sandy will need $24.00 to buy 12 (one dozen) cookies at the bakery.

12 x 2=24

200

Solve using mental math 25x4?

=100

200

Draw 7 rows/groups of 2 and provide the answer

=14

200

11x8=

200

0 Multiplied by any number is ...

ZERO

200

Selena, Lorena, Emily and Maddy decide they want to get their nails done during March Break. They all go to the salon, and each manicure costs them $20.00. How much did the salon earn?

The salon earned $80.00.

4 x 20=80

300

Solve using mental math what is 8x3?

=24

300

Draw 5 rows/groups of 5 and provide the answer

-----

=25

300

12x4=

300

Recite the 11 times table all the way to 110!

11,22,33,44,55,66,77,88,99,110

300

Demari and his friends are going to Wonderland and want to order 5 funnel cakes. Each funnel cake is $11.00. How much will their total be?

Demari and his friends will pay $55.00 for funnel cakes at Wonderland.

5 x 11=55

400

Solve using mental math what is 1793x1?

400

Draw 3 rows/groups of 7 and provide the answer

-------

=21

400

12x7=

400

On your board, write me the 9 times table and explain the trick!

The trick for the nine times table is to have the numbers ascending(1,2,3) in the tens column and the numbers descending (9,8,7) in the ones column.

400

Nico wanted to purchase tickets to attend the Fifa world cup. He was planning to buy 2 tickets for himself and Amin. Each ticket costs $250.00. How much money will he be spending to see Ronaldo play?

Nico will be spending $300.00 on the Fifa tickets to see Ronaldo.

2 x 250=300

500

Solve using mental math what is 9x9?

=81

500

Draw 9 rows/groups of 4 and provide the answer

----

=36

500

10x1,000=

10,000

500

Count by 25 all the way to 200

25,50,75,100,125,150,175,200

500

Josiah wants to book a hotel in Florida. He will need to book a hotel stay for one week. The price of the hotel for each day he is there will be $100. How much will Josiah's hotel charge him?

Josiah's hotel will charge him $700.00

7 Days/week x 100 = 700