Write a prime number in the space below and tell how you know it is prime.
1 point
1
Question 8
8.
Write a composite number in the space below and tell how you know it is composite.
1 point
1
Question 9
9.
The equation 5 x 7 = 35 can mean:
1 point
1
Question 10
10.
Fill in the bubbles beside the two equations that best represent this situation: Marcus has 15 toy cars. That is 3 times as many as his brother Craig has. How many toy cars does Craig have? (In the equations below, "c" stands for Craig's cars.)
1 point
1
Question 11
11.
Write and solve a multiplication equation:
Eric is 11 years old. Eric's dad is 3 times older than Eric. How old is Eric's dad?
1 point
1
Question 12
12.
Write and solve a multiplication equation:
Amber bought a pair of pants and a pair of shoes. The shoes cost 3 times as much as the pants. The pants cost $15. How much did the shoes cost?
1 point
1
Question 13
13.
Write and solve a multiplication equation:
Jamal bought a book and a CD. The book cost $14. The CD cost $7. How may times more than the CD did the book cost?
1 point
1
Question 14
14.
Fill in the blanks to complete this ration table:
1 point
1
Question 15
15.
Find and write in the missing dimension on each of the rectangles below:
1 point
1
Question 16
16.
7 x 8 =
1 point
1
Question 17
17.
5 x ? = 40
1 point
1
Question 18
18.
6 x 9 = ?
1 point
1
Question 19
19.
? x 8 = 32
1 point
1
Question 20
20.
? x 22 = 220
1 point
1
Question 21
21.
3 x 7 = ?
1 point
1
Question 22
22.
50 x ? = 200
1 point
1
Question 23
23.
9 x ? = 90
1 point
1
Question 24
24.
4 x 20 = ?
1 point
1
Question 25
25.
7 x ? = 28
1 point
1
Question 26
26.
? x 10 = 60
1 point
1
Question 27
27.
Solve the story problem below. Show your thinking with numbers, sketches, or words. Then write an equation that represents your work, and record the answer, labeled with the correct units.
Each of the 4 students at the red table has 8 markers. The class has 5 times as many markers as the entire red table. How many markers total does the whole class have?
Equation:
Answer, labeled with correct units:
1 point
1
Question 28
28.
Solve the story problem below. Show your thinking with numbers, sketches, or words. Then write an equation that represents your work, and record the answer, labeled with the correct units.
Abby saw 3 rows of crayons in her 24-count crayon box. How many crayons are in each row?
Equation:
Answer, labeled with correct units:
1 point
1
Question 29
29.
Solve the story problem below. Show your thinking with numbers, sketches, or words. Then write an equation that represents your work, and record the answer, labeled with the correct units.
The green table has 5 students and each student brought 6 folders. The red table groups has 6 students and each student brought 8 folders. How many folders do both groups have together?
Equation:
Answer, labeled with correct units:
1 point
1
Question 30
30.
The green table has 5 students and each student brought 6 folders. The red table groups has 6 students and each student brought 8 folders. How many folders do both groups have together?
Which equation best represents this story problem? (The letter f stands for the number of folders both groups have together.)