Exploring Number Sense with Jo Boaler

What is number sense?

• The ability to memorize numbers quickly

• The ability to understand and work with numbers flexibly

• The ability to count to large numbers

• The ability to solve equations using a calculator

How can a student with number sense solve 18 times 5?

• By memorizing the multiplication table

• By using a calculator

• By guessing the answer

• By breaking down the problem into simpler parts

What is the result of 20 times 5 minus 2 times 5?

• 80

• 90

• 100

• 110

How can 18 times 5 be visually represented?

• As a rectangle

• As a line

• As a circle

• As a triangle

What is another way to think about 18 times 5?

• As 7 times 7

• As 6 times 8

• As 8 times 6

• As 9 times 10

How can 18 times 5 be broken down using 9 times 5?

• By adding 9 times 5 twice

• By subtracting 9 times 5 twice

• By multiplying 9 times 5 twice

• By dividing 9 times 5 twice

What is the visual representation of breaking 18 into 10 and 8?

• Two lines

• Two circles

• Two rectangles

• Two triangles

How can 18 times 5 be broken down using 2 times 18?

• By dividing 2 times 18 twice and then adding 18

• By subtracting 2 times 18 twice and then adding 18

• By adding 2 times 18 twice and then adding 18

• By multiplying 2 times 18 twice and then adding 18

What is the challenge posed at the end of the video?

• To solve 18 times 5 using a calculator

• To solve 12 times 9 both numerically and visually

• To solve 9 times 10 using different methods

• To solve 20 times 5 using different methods

What is an important part of number sense?

• Guessing the answers

• Being able to work with numbers flexibly

• Using a calculator for all problems

• Memorizing multiplication tables