Page 30 - PlayFacto_S1
P. 30
The order of operations Multiplication, division
Solve from the first two numbers.
Addition, subtraction
Solve from the first two numbers. 180 9 3 = 60
36 – 10 + 21 = 47 20
60
26
47
Addition, subtraction, multiplication Addition, subtraction, division
Solve multiplication first. Solve division first.
16 + 5 2 – 4 = 22 24 + 16 4 – 8 = 20
10 4
26 28
22 20
Example 1 Fill in the blanks. ⑵ 26 – 6 + 2 3 =
⑴ 15 + 18 3 – 10 =
Example 2 Show how to solve as shown above and write the answer.
⑴ 25 5 + 2 = ⑵ 32 – 10 2 =
3. Mixed calculation 1 27
Solve from the first two numbers.
Addition, subtraction
Solve from the first two numbers. 180 9 3 = 60
36 – 10 + 21 = 47 20
60
26
47
Addition, subtraction, multiplication Addition, subtraction, division
Solve multiplication first. Solve division first.
16 + 5 2 – 4 = 22 24 + 16 4 – 8 = 20
10 4
26 28
22 20
Example 1 Fill in the blanks. ⑵ 26 – 6 + 2 3 =
⑴ 15 + 18 3 – 10 =
Example 2 Show how to solve as shown above and write the answer.
⑴ 25 5 + 2 = ⑵ 32 – 10 2 =
3. Mixed calculation 1 27