Unit 2 Review

Look at the expression below.

(2 X 10,000) + (5 X 1,000) + (3 X 100) + (9 X 1)

What is the value of this expression?

A bowl of trail mix contains 70 pieces of m&ms, 120 pretzels, and 88 peanuts. How many pieces are there in the bowl of trail mix?

• 278

• 102

• 208

• 412

What number is ten times greater than 100?

The number 3,564 is represented in the picture.

Which of the following numbers is greater than 3,564?

• 3,456

• 3,546

• 2,098

• 4,013

Christopher and Charles are picking apples. Christopher picked 29 apples, and Charles picked 15 apples. About how many more apples did Christopher pick than Charles?

• 44

• 14

• 10

• 20

Samantha has 325 beads in her bead collections. Aby only has 143 in her collections. About how many more beads does Samantha have than Aby? (nearest hundreds)

• 90

• 182

• 200

• 400

Ms. H kept track of attendance for her classes for 4 days. There were 45 students on Monday, 40 students on Tuesday, 38 students on Wednesday, and 43 students on Thursday. Which of the following is the best estimate of the total number of students who came to class during those 4 days?

• 170

• 160

• 166

• 200

The number line shows the location of point Z.

What is the value of point Z rounded to the nearest ten?

What is the location of the blue dot on the number line?

Angel earns $80 a week through doing chores around his house. He makes $20 a week mowing the grass, $30 a week washing the dishes, and $10 a week taking out the trash. Angel is also given an allowance by his parents. The equation below can be used to find how much Angel receives each week as an allowance.

80 = 20 + 30 + 10 + ___

How much, in dollars does Angel receive as an allowance each week?