Word Problem
A collection contains 7 nickels. What is the total value of the nickels?
7x5=35 cents
what is a multiple
skip counting by the same number
the same number multiple times
why are 6x6=36 and 4x9=36 not commutative property?
Commutative property is when you have the same factors. those two equations have the same product but different factors.
9x4
36, what strategy did you use?
A bracelet is made using a repeating pattern of 2 shapes: star, heart. The pattern occurs 9 times. How many shapes are used altogether?
18
9x2
2x9
What are the frist 3 multiples of 5?
what do all multiples of 5 end in?
5,10,15
they end in a zero or one
A game gives 4 points for each level completed. Jordan completes 6 levels. Which expression can be used to find the total number of points?
A. 6 + 4
B. 6 × 4
C. 6 × 6
D. 4 + 4
B. 6 × 4
There are 6 shelves in a classroom. Each shelf has 8 books on it. How many books are there altogether?
6x8=48 books
Lena puts 5 stickers on her notebook each day. She does this for 8 days. How many stickers does she use?
5x8=40 stickers
what is the commutative property of 9x5
5x9=45
Kai writes the equation 9 × 0 = 0. Which rule explains why the equation is true?
A. Multiplying by 0 gives a product of 1.
B. Multiplying any number by 0 gives a product of 0.
C. Multiplying by 0 gives a product of 5.
D. Multiplying by 0 leaves the original number unchanged.
B. Multiplying any number by 0 gives a product of 0.
Which numbers could replace the box to make the equation correct?
□ × 0 = 0
Select all that apply.
A. 3
B. 6
C. 8
D. 1
E. 0
A. 3
B. 6
C. 8
D. 1
E. 0
A skating rink charges $7 for each student. A group of 4 students goes skating. How much do they pay altogether?
$7x4=$28
what is the product of 8x2=
what are the related facts
16
8x2=16
2x8=16
16 divided by 8=2
16 divided by 2=8
A store packs 4 toy cars into each box. There are 5 boxes. Which equation could be used to determine the total number of toy cars?
A. 4 + 5 = 9
B. 4 × 5 = 20
C. 4 × 4 = 16
D. 5 + 5 = 10
4x5=20
5x4=20
10x3
what do all multiples of 10 end in?
There are four shelves of 6 books. A student walks by and takes 7 books off a shelf. How mnay books are left?
4x6=24
24-7=17
17 books
Why is 36 a square number? what is the square root?
Beacuse 36 as an array makes a perfect square. Each side is the same length.
The square root is 6. Anytime a number is multipled to itself it makes a square number
Two students organize the same number of counters. Avery makes 3 groups of 8. Riley makes 8 groups of 3. Which statement is correct?
A. Avery has more because 3 × 8 is greater than 8 × 3.
B. Riley has more because 8 × 3 is greater than 3 × 8.
C. They have an equal number because 3 × 8 = 8 × 3.
D. They have an equal number because 3 + 8 = 8 + 3.
C. They have an equal number because 3 × 8 = 8 × 3.
400x7
what pattern did you see that helps you solve this with mental math
2,800