Adding and Subtracting Numbers

Which number sentence can be used to estimate the total number of students heading to the drive-thru safari?

• 50 + 40 + 40 + 30 = 160

• 50 + 40 + 50 + 30 = 170

• 50 + 50 + 50 + 40 = 190

• 60 + 50 + 50 + 40 = 200

Madison mailed 4185 flyers that tell people about her new business. She wants to send out a total of 6500 flyers. How many more does she need to mail?

• 2315

• 2425

• 3685

• 10,685

Trinity bought a box with 9750 beads to make jewelry. She has used 1028 beads so far. How many does she have left?

• A. 7978

• B. 8722

• C. 9732

• D. 10,778

Seema had 315 popsicle sticks. She used 92 popsicle sticks to build picture frames. She gave 35 popsicle sticks to her friend. Which equation can be used to find the number of popsicle sticks, P, Seema has left?

• 35 + P − 92 = 315

• 92 + 35 − P = 315

• 315 − 92 − 35 = P

• 315 − 92 + 35 = P

Vanessa brought $55 to spend on the class trip. She bought a T-shirt for $20 and a pen for $11. She spent the rest of her money for lunch and snacks. Which equation can be used to find how much Vanessa spent for lunch and snacks?

• 20 + 11 − f = 55

• 55 − 20 + 11 = f

• 55 − 20 − 11 = f

• 20 + f − 11 = 55

About how many points were scored by all five players?

• 500

• 600

• 800

• 900

What is ¹/₈ + ⁵/₈?

• 1
• ⁶/₁₆ or ³/₈
• ⁶/₈ or ³/₄
• ²/₄ or ¹/₂

Enrique and Mustafa each have 7 soccer trading cards. Gerardo has 5 fewer cards than Enrique and Mustafa combined. How many trading cards does Gerardo have?

• 2

• 5

• 9

• 10

Travis has 612 soccer balls?! He gave 419 balls to his brother and then bought 232 new soccer balls. How many balls does Travis have now?

• 193

• 325

• 425

• 799

Isabella is reading a book about horses with 100 pages. She read 37 pages on Monday. Then she read 42 pages on Tuesday. How many pages does she still have to read?

• 21

• 26

• 179

• 79