Page 83 - SK Year 5 Mathematics DLP

6 90.09 + 76.185 − = 63.575

Step 1 Step 2
Simple example.
1 5 12
9 0 . 0 9 0 8 – 2 = 6 1 6 6 . 2 7 5
+ 7 6 . 1 8 5 8 – 6 = 2 – 6 3 . 5 7 5
1 6 6 . 2 7 5 1 0 2 . 7 0 0

90.09 + 76.185 − 102.7 = 63.575

MY CALCULATOR

Tools/Materials MS Excel software

Task

1 Scan the QR Code. Download the steps to create “My Calculator”.
2 Launch MS Excel. Follow the steps and create the calculator with peers.
3 Use the calculator to solve the following questions.

a 99.02 – 26.41 + 3.89 = b 9.35 + 47 – 2.017 =

1 Solve these.
a 8 . 4 b 7 9 . 6

+ 5 . 4 – 9 . 3 – 5 2 . 8 + 1 0 4 . 6

2 Calculate.
a 79.6 + 52.8 – 104.6 = b 62.79 + 8.92 – 71.01 =

c 152.843 – 100.652 + 37.452 = d 841.306 – 427.8 + 250.71 =
e 0.03 – 0.015 + 90 = f 76.091 + 81 – 5.9 =

3 Complete these.
a 61.02 + 38.944 – = 30.072 b – 56.72 + 31.601 = 112.36

• Guide pupils to carry out the Smart Trail” activity and encourage them to 75
2.2.2 create their own questions.
• Carry out 21st Century Learning activities such as Bus Stop or Gallery Walk
in solving Try These” questions.