2 x 6 =
The coral is 20 centimeters long. The stingray is 5 times as long as the coral. Which equation would you use to find out how long the stingray is? (The letter l stands for the length of the stingray.)
A. 20 + 5 = l B. 20 x 5 = l C. 20 - 5 = l D. 20 x l = 5
B. 20 x 5 = l
4 x 5 = __ x 4
5
3 x 5 = 5 x 3
True!
How much does this sheet of stamps cost?
3¢ 3¢
3¢ 3¢
3¢ 3¢
18 cents
4 x 5 =
There are 4 cans of dog food for $3 each. How much do all 4 cans cost together? Show your thinking in words, sketches, or numbers. Write a multiplication equation for the problem.
All four cans will cost $12 (work may vary)
4 x 3 = 12 or 3 x 4 = 12
2 x 8 = 4 x ____
3 + 5 = 5 + 3
True
What is the missing number?
1 2 _ 6 _
4 _ 16 __ 29
1 2 4 6 7
4 8 16 24 28
3 x 10 =
Three cat collars cost a total of $9. How much does each collar cost? Show your thinking in words, sketches, or numbers. Write an equation for this problem.
Each collar cost $3 (work will vary).
9/3=3 or 3 + 3 + 3 = 9
14 = ___ x 2
7
10 - 5 = 5 - 10
Ralph spilled ketchup on his homework. How many total dots are there? How do you know? Explain your thinking
30 dots. Explanations will vary.
4 x 6 =
2 x ___ = 10
6 x 7 = 7 x 2
False
How many windowpanes are in the window? How do you know? Explain your thinking using numbers, sketches, and or words/
28 windowpanes. Explanations will vary.
9 x 2 =
18
Explain how you can use 2 x 8 to find 4 x 8.
___ x 2 = 6
3
2 x 6 = 4 x 3
True
If the small fish is 4 centimeters long, about how long is the large fish? How do you know? Explain your thinking.
12 centimeters. Explanations will vary.