Addition, Subtraction and Multiplication

If X= 2500, Y= 3500, Z= 4000, then X+Y=Z.

• True

• False

By subtracting predecessor of 101 and successor of 99 we get ____________.

• 2

• 0

• 200

If ∆= 20, then ∆∆∆∆∆ =__________

• 25

• 40

• 80

• 100

The numbers in the circles add together to make the number in the linking rectangle. Find the missing number.

• 35

• 45

• 15

• 25

The product of the numbers on the vertices of the given triangle is ___________.

• 30

• 60

• 20

One less than a number gives us its _____________.

140 × _______ = 0

• 1

• 0

• 140

256×______=256

• 1

• 0

• 256

If 250 - 150 = 100, then 100 + 150 = _______.

• 0

• 250

• 100

• 150

310+981+309 = 981+309+ ______

• 0

• 310

• 1290