Unit 2 Review

Unit 2 Review

Let's get ready to study!

PLACE VALUE

Understanding your ones, tens, and hundreds was important this unit!

Fill in the Blanks

NUMBER LINES

We've used number lines to help us add and subtract this unit

Fill in the Blanks

Fill in the Blanks

ROUNDING

We also used our understanding of place value to help us round to the nearest ten and hundred.

Multiple Choice

ROUNDING!

What is 143 rounded to the nearest ten?

• 150

• 140

• 100

• 200

Rounding

Remember, number lines can help us when we round.

Multiple Choice

ROUNDING!

What is 332 rounded to the nearest ten?

• 300

• 340

• 400

• 330

Multiple Choice

ROUNDING!

What is 332 rounded to the nearest hundred?

• 300

• 340

• 400

• 330

next, we ADDED!

• Draw Place Value blocks

• Break Apart / Partial Sums

• Standard Algorithm

Poll

Which method for adding do you prefer?

• Drawing Place Value Blocks

• Breaking Apart by Place Value (aka Partial Sums)

• Standard Algorithm

Remember ADDITION TABLES?

• Look at the numbers in orange

• Where the 2 on the top row and the 3 on the first column intersect, you'll find the sum.

• 2 + 3 = 5

Remember ADDITION TABLES?

• Look at the numbers in orange

• Where the 2 on the top row and the 3 on the first column intersect, you'll find the sum.

• 2 + 3 = 5

Fill in the Blanks

9 + 8 = 17

Here comes some ADDING questions...

ASSOCIATIVE PROPERTY

This property helped us learn that we can change the order of the 3 addends and the sum would be the same.

Multiple Choice

I have 30 apples, 23 oranges, and 6 bananas. Which equation shows how much fruit I have?

• 1 + 30 + 23 = ?

• (30 + 23) + 6 = ?

• (30 + 23) - 6 = ?

Multiple Choice

Joe wants to use the break apart strategy to add 342 + 216. Which equation is correct?

• 340 + 210 = ?

• 342 - 200 - 10 - 6 = ?

• (300 + 200) + (40 + 10) + (2 + 6) = ?

Last, we learned about GRAPHS

Picture Graphs & Bar Graphs!

Tally Tables & Data Tables!

Multiple Choice

How many more students like playing keyboard than drums?

• 5

• 2

• 10

• 8

Multiple Choice

How many students like playing soccer?

• 9

• 10

• 8

• 12

Multiple Choice

Which pet has the most votes?

• Cat

• Dog

• Fish

Fill in the Blanks

GOOD WORK!

You are ready to ROCK your math test!