This quiz can be carried out as a worksheet exercise (with children working through the worksheet below) or as a test with the teacher calling out the questions and children writing answers in their books / on paper.
Answers are as follows...
| Addition | Subtraction | Rounding to the nearest unit |
0.1 + 0.7 = 0.8
0.5 + 0.9 = 1.4
1.9 + 5/10 = 2.4
3.6 + 9/10 = 4.5
8.9 + 6.4 = 15.3
17.6 + 9 4/10 = 27
31.6 + 19.3 = 50.9
12.7 + 72.1 = 84.8
19.6 + 18.4 = 38
57 1/10 + 29 9/10 = 87 | 0.5 - 0.2 = 0.3
0.9 - 0.5 = 0.4
1.2 - 0.6 = 0.6
4.7 - 3.1 = 1.6
5.4 - 3.2 = 2.2
12.7 - 9.8 = 2.9
31.6 - 10.9 = 20.7
54.0 - 17.5 = 36.5
92.1 - 15 6/10 = 76.5
25 7/10 - 12 8/10 = 12.9 | 6.3 (6)
9.4 (9)
9.9 (10)
0.6 (1)
12.3 (12)
31.7 (32)
57.6 (58)
91.2 (91)
84.5 (84 or 85)
97.0 (97) |
| Answer these questions... I have one unit and seven tenths. Write this number in decimals. (1.7) What is nine units and five tenths in decimals? (9.5) Why do we write the decimal point in the number 6.4? (to separate the units and the tenths) How many tens, units and tenths are there in 75.6? (7 tens, 5 units and 6 tenths) Why do we write the zero in 0.2? (to remind us that the number is less than one) |
today!
Comments