Operations and Algebraic Thinking
Write 5 multiples of 9.
9, 18, 27, 36, 45, 54, 63, 72
True or False:
1: 4581 > 4,000 + 800 + 50 + 1
2: 40 hundreds + 50 tens + 81 ones = 4581
3. 4 thousands + 8 hundreds + 1 ten + 5 ones <4581
=
F
T
F
Tell me true or false:
1/4 = 3/12
1/2 = 50/100
9/10 = 99/10
T
T
F
See Picture! Shading
6/10 shaded
Decide whether each expression is equal to 4 x 2/3:
1. 2 x 4/3
2. 3 x 2/4
3. 8 x 1/3
Yes
No
Yes
Isabella has 2 times as many DVDs as Emma. Emma has 6 DVDs. How many DVDs does Isabella have?
12
Enter a decimal that is equivalent to 6/100.
0.06
Steven made a snack mix. He used 1/4 cup of raisins and 2/4 cups of nuts to make 1 serving. Steven wants to make 5 servings of snack mix. How many cups of snack mix are in 5 servings?
3 3/4 or 15/4 or 3.75
True or False:
89/100 > 9/10
7/12 < 2/3
3/5 > 4/10
F
T
T
15 meters = ? centimeters
1,500 centimeters
Enter the unknown number to make the equation true:
348 / 6 = (? / 6) + (48 / 6)
300
Find the product:
96 x 78
7,488
At the beginning of June a bean plant was 3 4/5 inches tall. By the beginning of July, the plant was 6 2/5 inches tall. How may inches did the plant grow during June?
2 3/5 or 2.6 inches
See Photo: Adding Fractions Line Plot
C
Draw the lines of symmetry on an equilateral trapezoid.
1 line
Susan has 3 times as many books as Mary. Mary has 18 books. Write an equation to figure out how many books Mary has.
3 x 18 = ?
See Picture: Juice Box
B and C
A class is making 7 flags. It takes 3/4 of a yard of felt to make each flag. The total number of yards of felt needed is between which two numbers?
5 and 6
See Photo: Adding Fractions Steps
B
See Photo: Angles
115
See Picture! Fruit
300 + 210 + 90 + 63 = 663
Phil writes these fraction comparisons:
1/4 < 1/3 and 1/3 < 1/2
a. Enter one digit to complete this comparison so that it supports Phil's comparison:
?/6 < 1/3
b. Enter one digit to complete this comparison and show that Phil's claim is not true.
?/6 < 1/3
a. 0 or 1
b. 2,3,4,5,6,7,8,9
See Picture! Rectangle Models
A
C
See Picture! Line Plot
17 1/2