Build, take apart and rebuild with the same pieces

Question 1

Chloe builds a bridge from 21 building bricks, then takes it apart and uses every brick to build a house. How many bricks are in the new model?

Answer 

Question 2

A wall is knocked down and its bricks are used to build a garden shed. What has changed?

• A. the material of the bricks
• B. the number of bricks, which doubles
• C. the shape of the thing the bricks make
• D. the bricks turn into wood

Question 3

A model castle is made of 9 wooden blocks. Each block has a mass of 10 g. The castle is taken apart and rebuilt as a boat with all the same blocks. What is the mass of the boat?

Answer g

Question 4

Ben builds a tower from 26 building bricks, then takes it apart and uses every brick to build a house. How many bricks are in the new model?

Answer 

Question 5

Why are many toys and buildings made of small pieces joined together?

• A. Small pieces are easy to carry and can make many different shapes.
• B. Small pieces are always stronger than anything else.
• C. Big pieces cannot be made.
• D. Pieces disappear if they are big.

Question 6

A model castle is made of 11 wooden blocks. Each block has a mass of 5 g. The castle is taken apart and rebuilt as a boat with all the same blocks. What is the mass of the boat?

Answer g

Question 7

Ben builds a tower from 13 building bricks, then takes it apart and uses every brick to build a bridge. How many bricks are in the new model?

Answer 

Question 8

An old wooden shed is taken apart. How could the planks be reused?

• A. Turn them into glass.
• B. Melt them into metal.
• C. Build them into a raised flower bed.
• D. Nothing can be made from used wood.

Question 9

A model castle is made of 10 wooden blocks. Each block has a mass of 5 g. The castle is taken apart and rebuilt as a boat with all the same blocks. What is the mass of the boat?

Answer g

Question 10

Nia builds a car from 13 building bricks, then takes it apart and uses every brick to build a tower. How many bricks are in the new model?

Answer 

Question 11

An old wooden shed is taken apart. How could the planks be reused?

• A. Nothing can be made from used wood.
• B. Melt them into metal.
• C. Turn them into glass.
• D. Build them into a raised flower bed.

Question 12

A model castle is made of 6 wooden blocks. Each block has a mass of 10 g. The castle is taken apart and rebuilt as a boat with all the same blocks. What is the mass of the boat?

Answer g

Question 13

Diego builds a car from 14 building bricks, then takes it apart and uses every brick to build a bridge. How many bricks are in the new model?

Answer 

Question 14

A wall is knocked down and its bricks are used to build a garden shed. What has changed?

• A. the bricks turn into wood
• B. the number of bricks, which doubles
• C. the shape of the thing the bricks make
• D. the material of the bricks

Question 15

A model castle is made of 6 wooden blocks. Each block has a mass of 20 g. The castle is taken apart and rebuilt as a boat with all the same blocks. What is the mass of the boat?

Answer g

Question 16

Leo builds a house from 15 building bricks, then takes it apart and uses every brick to build a bridge. How many bricks are in the new model?

Answer