29062020 WALT Measure Mass 1 WILF I can

29/06/2020 WALT: Measure Mass 1 WILF: I can compare mass I can convert g to kg I can problem solve I can justify my answer © Classroom Secrets Limited

Starter Which items would you measure in kilograms? Which items would you measure in grams? © Classroom Secrets Limited

Starter Which items would you measure in kilograms? Which items would you measure in grams? Grams: © Classroom Secrets Limited Kilograms:

Varied Fluency 1 What mass is the arrow showing on this scale? © Classroom Secrets Limited

Varied Fluency 1 What mass is the arrow showing on this scale? 52 g © Classroom Secrets Limited

Varied Fluency 2 Which object is the heaviest? A © Classroom Secrets Limited B

Varied Fluency 2 Which object is the heaviest? A B A = 56 kg B = 56 kg Neither because they weigh exactly the same. © Classroom Secrets Limited

Varied Fluency 3 How much does each object weigh? A © Classroom Secrets Limited B

Varied Fluency 3 How much does each object weigh? A B 550 g © Classroom Secrets Limited 28 g

Problem Solving 1 If two apples weigh the same as one coconut, draw an arrow on the scale to show the weight of the coconut. © Classroom Secrets Limited

Problem Solving 1 If two apples weigh the same as one coconut, draw an arrow on the scale to show the weight of the coconut. © Classroom Secrets Limited

Problem Solving 2 Lizzie is making cakes. She needs 6 kg of flour and 6 kg of sugar. How much more of each ingredient does she need? © Classroom Secrets Limited

Problem Solving 2 Lizzie is making cakes. She needs 6 kg of flour and 6 kg of sugar. How much more of each ingredient does she need? 2 kg of flour 4 kg of sugar © Classroom Secrets Limited

Reasoning 1 Joanne is weighing different items. She says the watermelon is heavier because the arrow on the scale is further away from zero. Is she correct? Explain how you know. © Classroom Secrets Limited

Reasoning 1 Joanne is weighing different items. She says the watermelon is heavier because the arrow on the scale is further away from zero. Is she correct? Explain how you know. Joanne is incorrect because… © Classroom Secrets Limited

Reasoning 1 Joanne is weighing different items. She says the watermelon is heavier because the arrow on the scale is further away from zero. Is she correct? Explain how you know. Joanne is incorrect because the watermelon weighs 6 kg and the pumpkin weighs 4 kg. The scales increase in different increments. © Classroom Secrets Limited

Plenary Which weighs more? 2575 grams or 2 kg and 575 grams. Explain your answer.