Addition
Addition ( 2 digits )
Subtraction
Multiplication
100

I pay you $2 first and then pay you $5 the next day. How much did I pay you?

2 + 5 = $7

100

14 + 23

37

100

43 - 21

22

100

Answer all 3:

3 x 6

4 x 2

7 x 7

18

8

49

200

9 + 7 = 

16

200

34 + 21 + 57

112

200

If a watch costs $23 and you paid the cashier $50.

How much does the cashier have to pay you back?

50 - 23

= 30 - 3

= 27

200

What is the area of a square when the length of 1 side is 45?

45 x 45

= ( 4x5 ) (25)

= 2025

300

If you have 8 lego blocks today and your friend gave you 7 more tomorrow and then 4 more the day after, how many blocks will you have?

19 blocks

300

How much do you need to add to 54 to make it 100?

46


54 + 46 = 100

300

(40 - 6) - (20 - 4)

34 - 16

= 18

300

The area of which rectangle is bigger and by how much?

Rectangle A = 32 (Length) x 20 (Height)

Rectangle B = 25 (Length) x 25 (Height)

Areas are as follow:

Rectange A = 640

Rectangle B = 625

Difference = 640 - 625 = 40 - 25 = 20 - 5 = 15

Rectangle A is the bigger by 15

400

What 2 numbers would do you need to add to 8 to get 17

1 + 8

2 +7

3 + 6

4 + 5

400

Milly is 3 years older than Molly. Mini is 7 years older than Milly. If Molly is 4 years old and Their mommy is 2 times all their ages combined. How old are Milly and Mini and Their Mother?

Molly = 4 years

Milly = 4 + 3 = 7 Years old

Mini = 7 + 7 = 14 Years old

Total age =. 4 + 7 + 14 = 11 + 14 = 25

Mother's age = 25 x 2 = 25 + 25 = 50

400

You borrow $7 from your Sister on Day 1

You borrow $12 from your Sister on Day 2

You pay back $11 to your Sister on Day 3

You borrow $5 from your Sister on Day 4


How much money do you owe your sister on Day 5?

Day 1: -7

Day 2: -12 (-19)

Day 3: +11 (-8)

Day 4: -5 (-13)

You owe your sister $13 on Day 5

400

Find the area of the rectangle where the length is 49. The height is 24 + 27.

Length = 49

Height = ( 24+27 ) = 51


Base method: Base 50

= (50x50) - 1

= 2500 -1

=2499

500

8 + 3 + 4 +2 + 5 =

22

500

32 + 43 + 45 + 22

142

500

( 40 - 6 ) + ( 20 - 3 )

(34) + (17) = 51

500

997 X 991 + 43

Base 1000

= (988x1000) + 27

= 988027 

Add 43

= 988027 + 43

= 988070

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