Reason + subtraction - practice problems
Number of problems found: 53
- Mrs XY
Mrs Novak is employed. In January 2015 the gross income reached € 1348. Insurance is a 323.52 euros, and income taz 153.67 euros. Employer precipitated Mrs. Novak in recent clashes € 115, of which 57 euro for the savings account, and 58 euros for repaymen
In the school buffet were 30 children. Twenty-one children bought sandwiches, and 15 children bought lemonade. Four children did not buy anything. How many children bought lemonade and sandwiches?
- No. 215
From the number 215 we can create a four-digit number that among its numbers manually type any other digit. Thus, we created two four-digit numbers whose difference is 120. What two four-digit numbers that might be?
- 7th grade pupils
Pupils doing research which a winter sport do their classmates most popular. They found that 2/5 of classmates would most like to play hockey, skate prefer 2/9 pupils, 3/10 students prefer skiing and 1/15 classmates don't like any winter sport. What propo
- Sparrow ball
On the sparrows ball were males and females. There were 170 sparrows. Males was 20 more than females. How many sparrow female was at a ball?
How many different circles are determined by 9 points at the plane if 6 of them lie in a straight line?
Table of chocolate is divided into squares on its surface. Lengthwise has 15 squares and widthwise 19 squares. We must chocolate broke into individual squares. How many times have we broke it to get only individual squares? It is not permitted to break se
- Mom and daughter
Mom is 30 years older than the daughter. What is the age difference between them in 35 years?
- It is rectangular?
Size of two of the angles in a triangle are: α=110°, β=40°. Is it a right triangle?
The root of the equation (x-19)² -10 = x² -11x is (equal or greater or less than zero)? ...
- Bus vs. train
The bus started from point A 10 minutes before the train started from the same place. The bus went an average speed of 49 km/h, train 77 km/h. To point B train and bus arrived simultaneously. Calculate the time of the train journey, if train and bus trave
How many times you can subtract the number 4 from the number 64?
- Temperature calculus
Calculate the percentage of temperature increase if changed from 18°C to 33°C?
Reason - practice problems. Subtraction practice problems.