Envision Math Grade 3 Topic 9

1. Perry is finding the sum of 425 + 352 by breaking it into smaller problems.

He uses place value and finds the sum of the hundreds, tens, and ones.

Which shows the correct way to break apart the addends to solve the addition problem?

• 300 + 300, 30 + 50, 6 + 1

• 400 + 300, 20 + 50, 5 + 2

• 400 + 300, 25 + 50, 0 + 1

• 400 + 300, 30 + 50, 6 + 1

Greg finds the difference of 599 – 345. He estimates the difference using compatible numbers.

He finds 600 – 350 = 250.

Find the actual difference, is it close to his estimate?

• 254,no

• 155,no

• 155,yes

• 254,yes

539 + 252= (500 + 200) + (30 + 52) + (9 + 2)

• yes

• no

A chess match begins at 1:00 in the afternoon The first 140 people arrive at 12:30. At 12:40, another 225 people arrive. At 12:50, 38 people arrive. How many people will watch the chess match?

USE CUBES!!

• 405

• 403

• 404

• 305

Mr. Carson's class raised $275 during the fall fundraiser. The class raised $382 during the spring fundraiser. How much did Mr. Carson's class raise altogether?

• $655

• $107

• $657

• $108

Roberto has 253 prize tickets. He trades 115 of the tickets for a flying disk and 30 tickets for a drink. How many prize tickets does Roberto have left? Write your answer in the box.

• 108 tickets

• 113 tickets

• 109 tickets

• 138 tickets

The Kitty Cat pet shop made a profit of $953 on Monday. The shop made a profit of $687 on Tuesday. Which shows how much more profit the shop made on Monday?

• $256

• $1,640

• $1,660

• $266

Seti buys 500 paper plates. She uses 106 for a picnic. She uses 285 for a family reunion. She uses 9 paper plates for pizza night at home. How many paper plates does she have left? Write your answer in the box.

• 108

• 100

• 107

• 101

Use the subtraction problem below to answer the question.

555– 348=

You should regroup

• one ten into ten ones

• one ten into one one

• one hundred into 10 tens

• one hundred into 1 ten

Calvin is finding the difference between 835 and 226.

Does Calvin need to regroup?

• No

• Yes, he needs to regroup 2 tens into 10 ones

• Yes, he needs to regroup 1 hundred into 10 ones

• Yes, he needs to regroup 1 ten into 10 ones