Natural numbers - practice for 12 year olds - page 2 of 27
Number of problems found: 527
- Field trip 2
A principal is organizing a field trip for more than 400 students. She has already arranged the transportation for 280 students. Each school bus has the capacity to transport 40 students. Find the number of school buses still needed to transport all of th - Ronald 2
Ronald and Tim both did their laundry today. Ronald does laundry every 6 days, and Tim does laundry every 9 days. How many days will it be until Ronald and Tim both do laundry on the same day? - Which 15
Which two digits need to be interchanged to make the following equation correct? 16+7*2+4-3=12 A) 2 and 4 B) 7 and 4 C) 16 and 2 D) 7 and 3 - Hans spent
Hans spent three days baking 224 cookies. On the second day, he baked twice as many as he did on the first day. On the third day, he baked half as many as he did on the first day. Which equation represents the situation if x is the number of cookies Hans - Two pieces
Two pieces of cloth 15 and 20 meters long are to be cut into small pieces of equal lengths. What will be the greatest length of each piece? - Relay teams
There are 159 students to be grouped into relay teams. Each team should have the same number of students. Can each team have 3,5 or 6 students? Explain. - LCM or HCF
Find the lowest common multiple of these two numbers: 105 226 - GCD&LCM of three
GCD of three numbers is 30 and LCM is 900. As two the are 60 and 150, find the number. - Write 8
Write an expression for the total cost using the variable x. A bus company charges $35 to rent a bus for the day plus $4.50 for each student. - Fruits
2/3 of the fruits are cherries, and the rest are grapes. I sold 1/2 of the cherries and 1/4 of the grapes. If I had 280 left, how many fruits had I at first? - LCMs
What is the difference between the LCM (16, 400) and LCM (15, 65)? - HCF - big numbers
Find the HCF of 72030 and 88200 - Evaluate expressions
Which expression equals 12? ... - The sum 32
The sum of three consecutive odd numbers is 33. What are the three consecutive odd numbers? - I added
I added 10 to 3 times a number; the result is equal to 4 times the number. What is the number? - Planetary system
Robert has built a mechanical model solar system with three balls representing planets at the end of rods. Each rod is attached to the center, representing the Sun. The planets are lined up when he turns on the motor. The innermost planet makes a revoluti - A teacher 3
A teacher gives pens and pencils to elementary students at an equal rate, each classroom. Pencils; Pens 18 ; 72 29 ; A 35 ; 140 B ; 168 Determine the missing value for the letter B. - A band
A band played an encore at 2 of its last 4 shows. Considering this data, how many of the band's next 14 shows would you expect to have an encore? - What is 14
What is (-2)4× 34? - Remainder
What is the remainder of the division of natural numbers 293 and 7?
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