Gr3_Mth_DOL-9.24-3.5, 3.4b & 3.4a

Mrs. Phillips had some magazines in her classroom. She donated 35 of these magazines to the school library. Now, she has 75 magazines in her classroom. What is the best estimate of the number of magazines Mrs. Phillips has in her classroom to start with?

• 40

• 120

• 50

• 100

A bakery had baked some muffins in the morning. After selling 65 muffins, 240 muffins were left. Which equation can be used to find the number of muffins the bakery started with?

• 65 + 240 = __

• 175 – 65 = __

• 240 – 65 = __

• 65 + 175 = __

Randy had pieces of fabric. Jordan gave her 89 inches of some more fabric to make a blouse.

Now, she has 165 inches of fabric. Which representations can be used to find the number of inches of fabric Randy had in the beginning? Select TWO correct answers.

• 
• 
• 
• 
• 

Lilly had some buttons in a box.

She placed 87 more buttons into the box.

Now, she has 154 buttons in the box.

How many buttons did Lilly have in the box to start with?

Choose the correct answer from the drop-down menu to complete the statement. Lilly had ​ (a)   buttons to start with in the box.

• 241

• 73

• 77

• 67

A fruit stand had some oranges at the beginning of the day. After selling 47 oranges, there are 250 oranges left. How many oranges were at the fruit stand to start with?

Mathematical Equivalence

ON