Add and Subtract to 100 Word Problems

When adding a NEGATIVE number and NEGATIVE number,  your result will be...

• Positive

• Negative

• The sign of the larger absolute value

• The sign of the smaller absolute value

The water level is Mr. Jacob's pond was -4 feet. After a drought, the water level dropped by 13 feet. What is the water level after the drought?

• -17 ft

• 17 ft

• 9 ft

• -9 ft

Q1. What is the result of 9 - 10?

• 1) 9

• 2) 10

• A) -9

• B) -10

Rewrite 9 - (-6) as an addition problem

• 9 + 6

• -9 + 6

• 9 + (-6)

• 9 - (-6)

Ben had 5 sheets of stickers. Each sheet had 12 stickers on it. Ben gave 23 stickers to his sister. He gave 16 stickers to his brother. Which equation can be used to determine s, how many stickers Ben has left?

• (5x12)-23-16=s

• (12+5)-23-16=s

• (5x12)-23+16=s

• (12x5)+23-16=s

Trent went to the concession stand and bought 2 sodas for $1.00 each and 3 hot dogs for $2.00 each. Which expression would you use to find out how much Trent paid in all?

• (2 - $1) + (3 - $2)

• $2 + 3 + $2

• 2 x (3 x $2)

• (2 x $1) + (3 x $2)

Mr. Anderson had 185 pieces of wood. He sold 25 pieces of wood to his neighbor and stacked the rest of the wood into piles around his house. Each pile of wood contained 40 pieces of wood. Which equation can be used to find p, the number of piles of wood Mr. Anderson made?

• p = (185 + 25) + 40

• p = (185 - 25) - 40

• p = (185 + 25) × 40

• p = (185 - 25) ÷ 40

Jonathan buys 4 sheets of 10 stamps each and 2 sheets of 8 stamps each. He uses 25 stamps on envelopes. Which equation can be used to find n, the number of stamps Jonathan has left?

• (4 + 10 x 2 + 8) - 25 = n

• 4(10) + 2(8) - 25 = n

• 4(10) + 2(8) + 25 = n

• 10 + 8 - 25

Ben had 5 sheets of stickers. Each sheet had 12 stickers on it. Ben gave 23 stickers to his sister. He gave 16 stickers to his brother. Which equation can be used to determine s, how many stickers Ben has left?

• (5x12)-23-16=s

• (12+5)-23-16=s

• (5x12)-23+16=s

• (12x5)+23-16=s

Norah had 125 pennies. She used 35 pennies to buy a tootsie roll at the gas station and gave half of what was left to her sister. Which equation can be used to find p, the number of pennies Norah has now?

• p= 125+ 35 x 2

• p= (125+35) ÷ 2

• p= (125-35) ÷ 2

• p= (125-35) x 2