Answer key · Set C
Starts, Changes and Steady Growth
1B Blocks walked is the up number. Point B is highest, at 8 blocks.
2At the start, 0 weeks, the plant is 4 cm tall. 0 across means no weeks have gone by yet. The plant starts 4 cm tall.
3True At 2 minutes she had walked 4 blocks and at 4 minutes 8 blocks, and 8 is twice 4.
47 Read the snow at P (2) and at Q (9). Then 9 − 2 = 7.
5Graph 2 Minutes go across and blocks go up: (1, 3) and (2, 6). Graph 1 swaps the numbers.
61-C, 2-A, 3-D, 4-B Day 0 is on the up line. 0 pages is on the across line.
7False The dot is 8 across and 5 up: 8 minutes and 5 meters.
82, 1, 4, 3 Across is weeks: B is at 2, C at 5, A at 8 and D at 11.
96 She went from 2 blocks to 8 blocks: 8 − 2 = 6.
10Plant B is 3 cm taller than plant A at week 4. Both are at week 4. Plant A is 6 cm and plant B is 9 cm, and 9 − 6 = 3.
1110 Each minute adds 2 liters: 2, 4, 6, 8, 10.
12Your own words: a grown-up reads it.
Mark each answer, count the right ones and write the score on the sheet.