Question

lesson check

1. add 27 and 48. what is the sum?

spiral review

1. what is the sum?

7 + 7 =

1. circle the odd number.

6 12 21 22

1. what is the sum?

39 + 46 =

1. what is the sum?

5 + 3 + 4 =

Explanation:

Step1: Add 27 and 48

$27 + 48=75$

Step2: Add 7 and 7

$7+7 = 14$

Step3: Identify odd number

Odd numbers are not divisible evenly by 2. Among 6, 12, 21, 22, 21 is odd.

Step4: Add 39 and 46

$39+46 = 85$

Step5: Add 5, 3 and 4

$5 + 3+4=12$

Answer:

1. 75
2. 14
3. 21
4. 85
5. 12