Lesson Worksheet: Doubles Plus One Mathematics • 1st Grade
In this worksheet, we will practice adding two consecutive numbers with sums up to 20 by finding one more than a doubles fact.
Q2:
Notice that 4 is one more than 3.
So the answer to is one more than the answer to .
If , which of the following is equal to ?
- A
- B
- C
Q3:
Olivia was asked to solve .
She wrote
Is her solution correct?
- ANo
- BYes
Q4:
Jennifer tried to solve by using the doubling numbers facts, but she got the answer wrong.
Q5:
Complete the following:
- A
- B
- C
- D
Q6:
Complete the following addition sentence:
Q7:
Find the missing number.
Q8:
Jacob wants to solve .
Which double fact can help him find the answer?
- A
- B
- C
What is the result?
Q9:
Use to find the total number of players on a football team by solving .
Q10:
Consider the following.
Find the missing number.