Grade 4 NJSLA Readiness- Operations in Base 10 A

2. 

• 600
• 610
• 630
• 700

4. 

• 400
• 470
• 480
• 500

Jessica wants to estimate the difference between two numbers. - First, she rounded both numbers to the nearest hundred. - Then, she subtracted her two rounded numbers to get 400. Which expression could be the original subtraction problem Jessica started with? Choose ALL that apply.

• 546 - 174

• 629 - 236

• 845 - 379

• 954 - 206

Enter the answers. Look at the bar diagram.

Use the bar diagram to find the unknown number two ways.

481+____=948

948-____=481

• 467
• 567

• 427

• 376

The school cafeteria gets 533 apples and 269 oranges to serve for lunch. During the week, students eat 291 pieces of fruit with their lunch. How many pieces of fruit are left?

• 555 pieces of fruit

• 511 pieces of fruit

• 242 pieces of fruit

• 264 pieces of fruit

The snack booth at a baseball game sold 128 drinks. Round the number of drinks to the nearest hundred. (a)   drinks

The snack booth sold 128 drinks on Wednesday, 254 on Thursday, and 391 on Friday. How many Drinks did they sell during these three days?

(a)   drinks

In a mixed berry fruit snack bag, there are 17 raspberry and and 13 strawberries. If Carlos buys 6 snack bags, how many piece of fruit snacks does Carlos have in total?

(a)   pieces

A fruit snack bag has 17 raspberry and 13 strawberry pieces. If 5 friends split the fruit snacks evenly, how many pieces do they each get?

(a)   pieces

What is 6 x 90?

• 480

• 540

• 560

• 630