10? x 4= 4,000
3
23= 2 x 2 x 2
True
Name the four steps of standard algorithm multiplication.
1. Many (Multiply the ones)
2. Zoos (Bring down place holder zero)
3. Many (Multiply the tens)
4. Animals (Add the partial products)
200 is _____ 2,000
1/10 the value of
What is the product of 72 x 9
648
10? x 3= 3,000,000
6
We multiply the exponent by the base.
EX: 33 has a value of 9
False
The exponent tells us how many times we have the base.
EX: 33 = 3 x 3 x 3 = 27 NOT 3 x 3= 9
286
80,000 is _____ 8,000
10 times greater than
103 x ? = 5,000
5
10? x 20= 20,000
If I multiply a one digit buy a three-digit number, I still have to use a place holder zero.
EX: 123
x 4
False
We use a place holder zero when we multiply in a different place value (the tens).
The zero says we have nothing in the ones place.
What is the product of 372 x 4
1,488
5,000,000 is _____ 500,000
10 time greater than
What is the product of 154 x 12
1,848
10? x 2 x 5= 1,000
2
54 has a value of 625
True
54 = 5 x 5 x 5 x 5 = 25 x 25= 625
What is the product of 536 x 6
3,216
79,000 is ______ 790,000
1/10 the value of
10? x ? = 70,000
104 x 7 =70,000
10? x 40 x 2= 800,000
4
3 x 2 x 42 = 48
False
3 x 2= 6
42 = 4 x 4 = 16
16 x 6 = 96
What is the product of 2,936 x 3
8,808
9,850,000 is _____ 985,000
10 times greater
Pumbaa is demanding more treats each the day because he is the goodest boy. He believes he should have 5 treats 4 times a day every week.
How many treats a week does Pumbaa think he needs?
140
5 x 4= 20
20 x 7= 140