Measure and begin to record mass/weight using non-standard and standard units
A first look
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Question 1 of 3
Sam uses cube blocks as a non‑standard unit to compare the mass of two toys. He finds that the teddy bear weighs the same as 4 cubes and the robot toy weighs the same as 7 cubes. How many more cubes does the robot toy weigh than the teddy bear?
Question 2 of 3
Lily uses a balance to compare a toy car and a small rock. She finds that the toy car is as heavy as 3 blocks and the rock is as heavy as 5 blocks. If she puts the toy car and the rock together on one side of the balance, how many blocks would they balance?
Question 3 of 3
Lily uses cubes as a unit of weight. She finds that a watermelon weighs the same as 12 cubes and a pumpkin weighs the same as 9 cubes. Which of the following is heavier?
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