Addition and Subtraction
60+31
91
What is the multiplication method called that uses disks and boxes?
Place value method
25
x12
10
40
50
20
Partial product
What is the first step in division?
Hint:
Dad
Mom
Sister
Brother
Divide
50x12
600
55+45
100
What is the multiplication method called that uses only the numbers in the equation?
Standard Algorithm.
20x5
20+20+20+20+20
addition or place value disks
What is the second step of division?
Hint:
Dad
Mom
Sister
Brother
Multiply
22x11
242
71-41
30
What is the multiplication method called that breaks each number into their digit values, then multiples and adds them.
Partial Products.
40
x12
80
400
480
Standard Algorithm
What is the third step of division?
Hint:
Dad
Mom
Sister
Brother
Subtract
90x30
2700
40-15
25
What is the multiplication method called that uses a digits value and boxes to multiple and add.
Area method
12
x10
0
120
120
Standard Algorithm
What is the second step of division?
Hint:
Dad
Mom
Sister
Brother
Bring down
8÷4
2
32-8
24
How do you do the standard algorithm?
Multiple the bottom one's digit by each number on top, then repeat if there is a ten's digit.
30x8
30+30+30+30+30+30+30+30
Addition or place value disks.
What are the steps of division?
24÷3
8