Addition - practice for 12 year olds - page 11 of 28
Number of problems found: 549
- The temperature 34
The temperature on a maths exam day went down 2°C and then 3°C ending up as a final temperature of 27°C. What was starting temperature? - For last
Last week, the temperature varied a total of 17 degrees over the day. If the high for the day was 10 degrees, what was the low for the day (write a number sentence and solve it. ) - Mango juice
In the making of mango juice, you need to mix 2 1/3 pitchers of mango juice and 5 1/2 pitchers of water. How much is the mixture? - The two
The two angles of a triangle are 78° and 82°. So, what is the measure of the remaining third angle? - Donuts 3
You pick up donuts for a party. You have 3 and 4/12 boxes of donuts. Roy picks up donuts too. He has 2 and 9/12 boxes of donuts. How many boxes of donuts do you have in all? - Algebra problem
This is algebra. Let n represent an unknown number. 1. Eight more than the number n 2. Three times the number n 3. The product of the numbers n and eight 4. Three less than the number n 5. Three decreased by the number n 6. Two less than three times the u - The thermometer
At 8:00 in the morning, the thermometer showed an outside temperature of 16.7 degrees. It rose by 2.6 degrees in two hours. What temperature did we have at 10:00? - 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. - Calculate 82878
Calculate in degrees the size of the acute angle made by the hands of the clock at half past six. - Two-digit 8012
How much does the sum of three two-digit numbers change when we increase the first by 20, decrease the second by ten and leave the third unchanged? - Calculate 5274
Calculate the second sum if you know that one sum is -124.6 and the resulting sum is (-200). - Summands 5215
Divide the number into two summands, which are in the given ratio: a) 3, 11:4 b) 5.1 8:9 c) 1 7:3 d) 0.42 1:6 - Wholes add to a mixed
What is 5 wholes + 1 and 3/8? Give your answer as a whole number or as a mixed number in its simplest form. - Complex expr with fractions
Find 1½ of 16 ÷2⅓+(2¼ of ⅑). Use the correct order of operations. The order is PEMDAS: Parentheses, Exponents, Multiplication, Division (from left to right), addition, and Subtraction (from left to right). - Benson
Benson spends ⅓ of his pocket money on transport and ⅔ on food I. What fraction of his pocket money did he spend on transport and food? ii. What fraction is left? - Evaluate 33
Evaluate x+y when x=- 4/5 and y= 1/3. Write your answer as a fraction or mixed number in simplest form. - Add with negative
Add. Write your answer as a fraction in simplest form. -5 2/3+3 1/4+(-7 1/3)= - Angles sum 180
In triangle ABC, the measure of ∠A is 30°, and the measure of ∠C is 90°. What is the measure of ∠B? - Joe had
Joe had a full tank of petrol in his car. His car consumed 2/9 of the tank of petrol on Saturday and 1/3 of it on Sunday. What fraction of the tank of petrol was left after the weekend? - Shani
Shani mixed 1 1/3 cups peanuts, 1 3/4 cups raisins, and 1 1/2 cups chocolate chips to make a trail mix. How many cups of trail mix did she make? Responses
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