Page 128 - NUMINO Challenge_B1
P. 128
Problem solving
1 The buckets below can hold 4 L and 5 L of water Key Points
each. How can we measure 3 L of water using
these two buckets? How can we pour
1 L of water out of a
4-L bucket?
4L 5L
2 When an hourglass is turned upside-down, the Use the equation,
sand from the upper glass trickles down into the 3 3 5 1 to find
lower glass in a designated amount of time. the answer.
Using the 3-minute and 5-minute hourglasses
given below, what is the best way to accurately
time 1 minute? Explain.
3 minutes 5 minutes
125Measurement
1 The buckets below can hold 4 L and 5 L of water Key Points
each. How can we measure 3 L of water using
these two buckets? How can we pour
1 L of water out of a
4-L bucket?
4L 5L
2 When an hourglass is turned upside-down, the Use the equation,
sand from the upper glass trickles down into the 3 3 5 1 to find
lower glass in a designated amount of time. the answer.
Using the 3-minute and 5-minute hourglasses
given below, what is the best way to accurately
time 1 minute? Explain.
3 minutes 5 minutes
125Measurement