Number Sense Part 2 Review

​Math Lesson

By Melody Fong

December 10th, 2025

Comparing Numbers

​Let’s do a quick check in…How do we compare numbers? We start on the left and go number by number to see which is bigger!

On your white boards answer the following questions using the < > or = sign!

​1. 764 ? 3520

2. 8900 ? 8100

3. 7650 ? 7641

4. 1234 ? 1239

Rounding Numbers

We round numbers when an exact number is not needed!

Multiple Choice

Round 432 to the nearest hundred.

• 400
• 440
• 500
• 430

Multiple Choice

Round 432 to the nearest ten.

• 400
• 440
• 500
• 430

Multiple Choice

What is 1,372 rounded to the nearest thousand?

• 2,000
• 1,500
• 1,000
• 1,400

Counting Money

Canadian money comes in bills and coins.

Count and represent the value of a collection of nickels, dimes, and quarters as cents.

Count and represent the value of a collection of loonies, toonies, and bills as dollars.

COUNTING MONEY STRATEGY:

Start with the money THAT IS WORTH THE MOST!

Multiple Choice

Count the coins. How much money is there?

• 65 cents

• 40 cents

• 11 cents

• 31 cents

Multiple Choice

Count the coins. How much money is there?

• 45 cents

• 35 cents

• 36 cents

• 46 cents

Multiple Choice

Count the coins. How much money is there?

• 95 cents

• 75 cents

• 85 cents

• 55 cents

Multiple Choice

How much is here?

• $ 8.62

• $ 8.87

• $ 8.72

• $ 7.62

Multiple Choice

How much is here?

• $ 4. 43

• $ 4. 33

• $ 4.70

• $ 4. 83

Making Change

Change is the amount of money you receive back when you pay TOO much for an item!

There are 3 strategies:

1. Open number line

2. Part part whole

3. Adding up with bills and coins

When there are CENTS, we try to add up to the NEXT DOLLAR FIRST!

Multiple Choice

If I bought a bag of chips for $0.52 and paid with $1.00, how much change would I get back? 

• $0.57
• $0.48
• $0.38
• $0.74