Angela uses tiles to make 2 groups with 4 tiles in each group. How many tiles does Angela use?
8 tiles
John had 2 bags of marbles with 5 marbles in each bag. His friend Sharif gave him 4 more marbles. How many marbles does John have now?
14 marbles
What is the pattern to remember when you are multiplying by 0?
Any number, multiplied by 0 will equal 0.
How do you draw a representation for:
6 x ? = 18
18 divided by 6 = ?
Should draw equal groups or an array for this problem.
9 x ? = 9
? =
? = 1
How old is Mr. Siebert?
46 years old
Charlie buys packs of trading cards for 4 friends. Charlie buys each friend 1 pack. How many packs of trading cards does Charlie buy?
4 packs
Julie walks her dog 3 times a day. How many times does Julie walk her dog in 2 weeks?
42 times
3x7=21 times in one week
21x2 or 21+21 = 42 times in two weeks
What is the pattern when multiplying by 1?
Any number, multiplied by 1 will equal that number.
Draw a representation for:
3x?=21
Should draw equal groups or an array for this
3x0=5x?
0
How many 3rd grade homerooms are there in Hillside?
6
Mrs. Chung, Mr. Siebert, Ms. Pasterino, Mrs.Traina, Mrs. Adler, Ms. Masuzzo
Aarif earns $5 each time he weeds the garden. He weeds the garden 5 times. Show the equation that you would use to find how much money Aarif will earn.
How much money does Aarif earn?
5x5=
$25
You have a red shirt, a blue shirt, and a green shirt. You have black pants, orange pants, and yellow pants. How many different combinations of one shirt and one pair pants can you make?
9 different combinations
What strategy can I use to multiply by 2's?
Repeated Addition, skip counting by 2's or double the number. Answer must be even
Jermaine ran 56 minutes over 7 days. If he ran the same amount each day, how many minutes per day did Jermaine run?
7 x ? = 56
or
56 divided by 7 = ?
5x8=4x?
10
What months of the year have exactly 30 days in them? You have to get all of them correct to earn points.
April
June
September
November
Jasmin has some shells. She sorts all of the shells into groups of 2 each. What do we know about how many shells Jasmin has?
The number of shells that Jasmin has will be an even number.
Jackson has fewer than twelve boxes of toy cars. There are 5 toy cars in each box. How many cars COULD Jackson have?
5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55
All of these answers are correct because you multiply the number of boxes by 5.
What do we know about our products when we multiply by 5?
The products must end with a 5 or 0. We can count by 5's to solve.
Write a multiplication and division equation that would help you for this problem:
Eight friends share 40 apple slices. If each friend receives the same amount of apple slices, how many apple slices does each friend get?
8 x ? = 40
and
40 divided by 8 = ?
2x9 = ___ + ____ = ________
9+9 = 18
Name the biggest state and the smallest state in the United States of America. You must get both correct to earn points.
Alaska and Rhode Island
Justin makes a row of 8 buttons. He adds 9 more rows of 8 buttons below the first to make an array. What equation would you write to solve the multiplication problem for this array?
How many buttons does Justin have?
10x8=
80 buttons
Soukaina has 52 baseball cards now. Before, she received 17 from her friend Lola and gave 8 to her friend Stephen. How many cards did Soukaina start with?
43 baseball cards
What do we know about products when you multiply by 10? You must give me two different things that we know about the answers.
You just have to put a 0 on the end of the number you are multiplying by 10. The answers must be even. You can count by 10's
Rafeal buys some books for $5 each. Rafeal has 14 dollars. Can Rafeal spend all of his money on the books? Explain
No because 5 x a number can not equal 14.
91 - 46 = 9 x ?
5
How many countries are there in Africa?
54