Mental Calculation - 14, 16, 17 March 2022

Mental Calculation

14 March 2022

By Magdalena 02230

Open Ended

In a water bottle, there is 3L of water. If the capacity of the bottle is 9L, how much more water is needed to fill up the bottle?

*capacity is the most the bottle can contain

Open Ended

There are two eggs on the counter. The large egg weighs 56 grams and the small egg weighs 47 grams. How much heavier is the large egg?

Open Ended

There are 10 bags of flour. If each bag is 5kg, what is the total weight of the flour?

Open Ended

To make 1 dozen muffins requires 4 ons of sugar. How much sugar is needed to make 3 dozen muffins?

Open Ended

The weight of one cookie is 30 grams. What is the weight of 3 cookies?

Open Ended

Zack has 100 grams of grapes. If he eats 30 grams of grapes, how much will he have left?

Open Ended

Sarah has a mass of 32 kilograms. John is 7 kilograms heavier. What is John's mass?

Open Ended

Two aliens have masses 40 kg and 20 kg. What is the total mass of the two aliens?

Open Ended

Dina is 30 kg. He is 10 kg lighter than Lucy. How heavy is Lucy?

Multiple Choice

The mass of the bag of oranges is 2 kg. The mass of the bag of manggoes is 3 kg. How much heavier manggoes than oranges?

• 1 kg

• 2 kg

• 3 kg

Mental Calculation

16 March 2022

By Magdalena 02230

Open Ended

James has a mass of 33 kg. Andrew has a mass of 38 kg. What is the mass of both boys together?

Open Ended

Bruce has 450 grams of rice in one container and 236 grams of rice in another. If Bruce combines the rice into 1 container, what will the mass of the new container be?

Open Ended

If Susan put 165 grams of flowers in the vase shown, what is the new mass of the vase?

Open Ended

Each book inside a box has a mass of 475 grams. There are 6 books in the box. What is the mass of the books inside the box? write in kilogram and gram

Open Ended

A sports cooler holds 5000 milliters of water. There are 7 players and 3 coaches involved with a youth basketball team. If they all equally share the water, how much will each person drink?

Open Ended

Laila's mother wants to make a cake. He bought 767 g of flour, 200 g of eggs and 50 g of sugar. The total mass of his purchases is …. gram

Open Ended

Mom's have 990 grams of flour. She uses 230 grams of flour on Wednesday and 170 grams on Thursday. The remaining mass of flour that Mom's has is…. grams

Open Ended

Ray bought 4 boxes of apples. The mass of each box is 2 kg. The total mass of Ray's apples is... kg

Open Ended

The weight of 6 cans of milk is 48 kg. Each can weighs the same. The weight of one can of milk is…. kg

Open Ended

1 brick weighs 3 kg. The weight of 255 bricks is…. kg

Mental Calculation

17 March 2022

By Magdalena 02230

Open Ended

Elsa bought 45 kg of tomatoes. Each bag of tomatoes weighs 5 kg. Elsa bought … a bag of tomatoes.

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Steven had 2 kg of sugar.

He used 425 g of it.

What was the mass of sugar left? write in kilograms and grams.

Open Ended

Upin bought 800 g of sweets on Monday.

He bought 900 g of sweets on Tuesday.

What was the total mass of sweets he bought? write in kilograms and grams