Addition and Subtraction STAAR 3rd grade Math Review

At a weekend bake sale, 295 cookies were sold on Saturday. On Sunday 88 more cookies were sold than were sold on Saturday. The total number of cookies sold on Saturday and Sunday was _____

Ms. Green had some fabric to make costumes for three different plays at school. The table shows the number of yards of fabric Ms. Green used to make the costumes for each play. Ms. Green had 27 yards of fabric left over after making costumes for these plays. How many yards of fabric did Ms. Green start with?

• 170 yards

• 197 yards

• 143 yards

• 177 yards

Erika’s goal is to practice playing her guitar for 300 minutes this week. On Sunday she practiced for 117 minutes. On Tuesday she practiced for 58 minutes. How many more minutes does Erika need to practice in order to meet her goal?

• 125 minutes

• 235 minutes

• 475 minutes

• 175 minutes

The difference between the numbers of meals Mr. Thompson sold on Tuesday and Wednesday is (a)  

• 763
• 331
• 379
• 269

The table shows the number of snow cones sold at a shop on each of three days. Snow Cones | Day | Number Sold | |----------|-------------| | Friday | 273 | | Saturday | 123 | | Sunday | 305 | Which answer choice is the best estimate of the total number of snow cones sold on these three days?

• F. 600

• G. 700

• H. 900

• J. 800

Vicente hung three posters in his bedroom. The first poster had a length of 59 centimeters. The second poster had a length of 92 centimeters. The third poster had a length of 127 centimeters. What is the best estimate of the total length of these three posters in centimeters?

• 260 cm

• 350 cm

• 240 cm

• 280 cm

Owen received the coins and bills shown when he sold lemonade. What is the value of the coins and bills Owen received?

• $8.85

• $9.00

• $9.10

• $8.90

Charlie emptied his piggy bank and counted $5.63 in savings. Which set of bills and coins could not be the total amount of money that was in Charlie’s piggy bank?

• A

• B

• C

• D

A cafeteria had 280 ice-cream bars. During lunch some of the ice-cream bars were sold. After lunch 130 ice-cream bars were left over. Which answer choice best represents one way to find the number of ice-cream bars sold during lunch?

• A) □ − 280 = 130

• B) □ 280 □ 130

• C) 280 + □ = 130

• D) [Number line diagram]

Two friends played a game. The first friend scored 339 points. The second friend scored 75 more points than the first friend. Which strip diagram can be used to find the total number of points both friends scored?

• A) 339 + 75 = ?

• B) 339 + 339 + 75 = ?

• C) ? = 339 + 75

• D) ? = 339 + 339 + 75