Addition practice problems - page 68 of 76
Number of problems found: 1506
- Series and sequences
Find a fraction equivalent to the recurring decimal. 0.435643564356
- Elevator
The panel house has ten over-ground stories and four underground. The lift goes from the ground floor to the 2nd floor, then down to the 3rd underground floor, nine floors up, and finally four floors down. To what floor does the elevator arrive? How many
- Add symbols
Add marks (+, -, *, /, brackets) to fullfill equations 1 3 6 5 = 10 This math problem is for the 4th grade of primary school - with no negative numbers yet.
- Algebrogram
Solve cryptarithmetic (alphametics) for a sum of three numbers: BEK KEMR SOMR ________ HERCI
- Probability 3349
We have natural numbers 3, 4, 6, 10, and 12. Calculate the probability that the sum of three randomly selected three different numbers is less than 20.
- Apples in baskets
We have eight baskets. The first basket contains four apples, and the next basket contains 29 more apples than the previous one. Find the number of apples in each basket.
- Students
Three students sit in the front row, and 11 students sit in every other row, more than in the previous row. Determine how many students are in the room when the room is nine lines and how many students are in the seventh row.
- 1600 3263
a1 = 1 s40 = 1600 a40 =?
- Mineralka 3168
Petr bought 0.35 kg of ham, six rolls, and mineral water for a snack. How much did he pay for the purchase? (Mineralka costs 14.60 CZK, a roll 3.40 CZK, and a kilogram of ham 129 CZK). They rounded up the purchase to whole crowns.
- Substituting 3165
Determine the value of the expression by substituting for the variables a = 5, b = 2, x = 3, y = 1: k = 4ab + 1/2 ab - 14 l = x² + 2xy + y² m = 5b³ - 4b²
- Calculate 3163
Calculate and convert: 0.2m² + 80dm² + 200cm² = how many m2
- Seals
There are ten seals on a floe. a) On Wednesday, six seals arrived and departed two seals. How many seals are on the floe? b) on Thursday, five seals arrived more than departed. How many seals are on the floe?
- Three numbers
How much do we increase the sum of three numbers when the first enlarges by 14, the second by 15, and the third by 16? Choose any three two-digit numbers and prove the results.
- Water colors
The painting workshop attends ten students. Eight students painted watercolors, and nine painted with tempera colors. How many students painted watercolors and tempera at the same time?
- Microsaving
Honza saved 72 crowns. Pepík saved nine crowns more than Honza. How many crowns saved Pepík?
- Two numbers
The sum of two numbers is 1. Identify these two numbers if you know that half of the first is equal to the third of the second number.
- Identical 3011
Daddy nailed 54 poles to 3 equal parts of the fence. How many poles did he need for a fence with ten identical parts and a goal for which he used another ten poles?
- Calculate 2974
Calculate and find the rule according to which the numbers follow: 600 300 900 1200 2100 3300. Write a few more numbers.
- Determine 2937
Determine the first 14 members of the sequence if a15 = 225, d = -12
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