# Number Talks

## A collection of brief discussions (5–15 minutes) that focus on student solutions for a single, carefully chosen mental math computation problem. Perfect for your remote class or to try with your kids!

teaching
maths
fracations
geometry
lessons
teaching strategies
parenting

# Number Talks

## teaching, maths, fracations, geometry, lessons, teaching strategies, parenting

NUMBER TALK: Fractions

Find as many pairs of equivalent (meaning equal, of the same value) as you can. Write them down in your distance learning journal or on this slide:

NUMBER TALK:

How many blocks are in the glass? Use the clues to help you find out!

NUMBER TALK:

Both sides of the mobile have to balance (have the same value). The total sum of both sides is 20. What is the value of the triangle and the trapezoid?

NUMBER TALK:

The trapezoid and circles must balance with each other, and their total must balance with the red drops. The total sum of all pieces is 48.

NUMBER TALK:

Number Talk: Fractions

What is the same? What is different?

Number Talk: Number Sense

How would you solve this problem? Think of at least 2 mental math strategies that you could use to complete this equation in your head.

203-75

Number Talk: Geometry

What is the same? What is different? What do you know about these shapes?

Number Talk: Patterning

What is the pattern rule?

How many hexagons would be in the 4th, 5th, and 10th term?

4th term =

5th term =

10th term =

Term 1 Term 2 Term 3

NUMBER TALK

What fractions do you see?

1.

2.

3.

NUMBER TALK

This container holds 2 Litres of pop. How many milliliters (mL) of pop would be in the container if it was filled to the level of each arrow?

Hint: Find out how many mL there are in one Litre and use that to help you. You can do a Google search if you don’t know!

NUMBER TALK

Would You Rather….

Sell a batch of 30 cookies for \$0.50 each (50 cents each) with a cost to make of \$8.00?

Sell a batch of 30 cookies altogether for \$15.00 with a cost to make of \$6.00?

OR

NUMBER TALK

What is the range between the day with the lowest sales and the day with the highest sales?

How many burgers were sold in total during the last week?

How many times more burgers were sold on Thursday than on Friday?

Number Talk: TARGET NUMBER

Use the numbers in each section to try to make the target number in the middle (in this case it is 13). You can use as many numbers and operations as you would like. Find all the answers you can. E.g. 7 + 5 + 3 - 2 = 13

Number Talk: Patterning

Term 1 Term 2 Term 3 Term 4

Extend the pattern. How many squares would be in Term 5, 6, and 7?

What is the pattern rule?

Number Talk: Multiply or Divide

What rule could you use when multiplying by 10, 100, or 1000?

What rule could you use when dividing by 10, 100, or 1000?

Number Talk: Variables

What value of p makes this equation true?

45−15=3 x p

We all know math has numbers, but did you know it has letters too? Try to find the value of the letter ���p” in the equation below:

Hint: you are trying to make both sides of the = sign the same number

Extra hint: the x is a multiplication symbol

Answer: P = _____

Number Talk: Which one doesn’t belong?

Find at least one reason why each shape doesn’t belong with the other 3.

Rectangle:

Square:

Diamond:

Pentagon:

Number Talks
Info
Tags