Mathematical Problem Solving Strategies

The video tutorial guides third graders through a review of unit six, covering multiplication and division strategies, subtraction with borrowing, and the order of operations. It emphasizes understanding mathematical terms and solving problems using diagrams and number models. The teacher provides examples and encourages students to practice and seek help if needed.

What should you have ready before starting the unit review?

• A piece of paper or notebook

• A ruler

• A calculator

• A snack

How can you use doubling to solve 4 times 7?

• By adding 4 and 7

• By splitting 4 into two groups of 2 and multiplying each by 7

• By subtracting 7 from 4

• By doubling 4 and multiplying by 7

What is the first step in solving 426 minus 328?

• Add 328 to 426

• Subtract 3 from 2

• Subtract 8 from 6

• Borrow from the tens place

When subtracting 541 minus 279, why is it important to stack the numbers?

• To make it look neat

• To divide them

• To add them instead

• To avoid mistakes in borrowing

What does the term 'product' refer to in multiplication?

• The result of addition

• The result of subtraction

• The result of division

• The result of multiplication

Which strategy can help solve 6 times 8 efficiently?

• Subtracting eight from six

• Counting by sixes

• Using helper facts

• Drawing an array

If you have 36 marbles and 4 bags, how many marbles go in each bag?

• 8

• 11

• 9

• 10

In the expression 5 times (3 + 3), what should be calculated first?

• 3 plus 3

• 5 times 3

• 5 plus 3

• 5 times 6

What does 'Please Excuse My Dear Aunt Sally' help you remember?

• The names of the teacher's relatives

• The order of operations

• The steps in subtraction

• The multiplication table

How many children are in Mr. Dillon's class if there are four tables with five children each and one table with four children?

• 22

• 20

• 24

• 26