UNKNOWN & VARIABLES
Solve for the missing number.
(4+5)+3=(2+3)+___
7
What is the best estimate for $3,890 + $3,210, rounded to the nearest thousand?
$7,000
Solve:
286,745 + 147,896 = ?
434,641
Look at the pattern:
Input 3 6 9 12 15
Output 11 14 17 ___ ___
What are the missing outputs?
19, 22
A road trip started at 36,825 miles and ended at 79,436 miles. How many miles were traveled?
42,611 miles
A pattern starts with A = 5 and follows the rule add 12 to get Z. Which equation represents the rule?
A.) A + 12 = Z
B.) Z + 12 = A
C.) A × 7 = Z
D.) A + 3 = Z
A.) A + 12 = Z
Estimate 7,983 − 3,398 by rounding each number to the nearest thousand.
5,000
Solve:
86,304 − 47,586 = ?
38,718
A rectangular sandbox is 7 feet long and 6 feet wide. What is its perimeter?
26 feet
Round 73,648 to the nearest thousand. Then write the rounded number in expanded form.
74,000 = 70,000 + 4,000
A rectangle has a perimeter of 60 cm. Three sides measure 20 cm, 20 cm, and 10 cm. What is the missing side?
10 cm
A concert had 425,000 tickets available. The concert sold 287,500 tickets. How many more tickets were available than were sold?
137,500
The Dover Fair had 38,426 visitors on Thursday and 47,583 visitors on Friday. How many visitors did the fair have on the two days?
86,009
Look at the pattern:
Input (a) 3 6 9 12 15
Output (z) 11 14 17 ___ ___
What is the rule?
a+8 = z
Mt. Raven is 9,875 feet high. The world's highest volcano is 10,842 feet higher. How high is the world's highest volcano?
20,717 feet
Find the value of the missing variable. (Draw the picture on the board - Rectangle with 3 parts)
Total: 8,250
Parts: 3,475 + 1,928 + A
2,847
Pennsylvania has 12,846,275 people. Ohio has 9,438,612 people. To the nearest millions, about how many more people live in Pennsylvania?
4 million
A doughnut shop sold 1,232 doughnuts during the day. It sold 876 in the morning. How many did it sell for the rest of the day?
356
Jake has 10 marbles and Brady has 5 marbles. They give some marbles to Nathan. Together, Jake and Brady have 11 marbles left. How many marbles did they give Nathan?
4
Look at the chart:
Month: Visitors
April 684, 215
May 685,432
June 683, 947
July 686, 105
Which 2 months had the greater combined number of visitors?
May & July