Subtraction

What sign is it?

• Minutes

• Minus

• Minuet

• More

9 2 3 4 5 6

• vertical

• Column

• Row

• Length

• hundard-digit number

• single-digit number

• double-digit number

• triple-digit number

14,16,17,18,19

• dible-digit number

• donble-digit number

• doble-digit number

• double-digit number

100,90,.......,70,60 Can you count backward?

• 40

• 80

• 50

• 0

When we count backward in five, how many do we subtract each time?

• Five

• Four

• Fifteen

• Forty

Ten people are so tired but five people are drinking water, can you show subtraction word problem.

• 5+10

• 10+5

• 5-10

• 10-5