Question
Add 70 + 21 on a open number line.
- 91
- 81
- 71
- 61
The correct answer is: 91
70 + 21 = 91.
Count on 7tens on number line from 21.
Count on 7tens on number line from 21.
Related Questions to study
Use an open number line to add 24 + 40 = ____
Use an open number line to add 24 + 40 = ____
Add using the number line.
18 + 5 = ___
18 + 5 = ___
Add using the number line.
18 + 5 = ___
18 + 5 = ___
Explain how we would solve 67 + 7 on a number line.
Explain how we would solve 67 + 7 on a number line.
Explain how we would solve 67 + 7 on a number line.
Explain how we would solve 67 + 7 on a number line.
Add 70 + 23 on number line.
Add 70 + 23 on number line.
Add 70 + 23 on number line.
Add 70 + 23 on number line.
Lily has 48 apple trees in her farm. Amelia has 50 apple trees in her farm. How many trees do they have in all?
48 + 50 = ___
Lily has 48 apple trees in her farm. Amelia has 50 apple trees in her farm. How many trees do they have in all?
48 + 50 = ___
Lily has 48 apple trees in her farm. Amelia has 50 apple trees in her farm. How many trees do they have in all?
48 + 50 = ___
Lily has 48 apple trees in her farm. Amelia has 50 apple trees in her farm. How many trees do they have in all?
48 + 50 = ___
Charlie scored 56points in first level of video game. He scored 40 points in second level . how many points he scored in all? Use an open number line to add.
56 + 40 = ___
Charlie scored 56points in first level of video game. He scored 40 points in second level . how many points he scored in all? Use an open number line to add.
56 + 40 = ___
Charlie scored 56points in first level of video game. He scored 40 points in second level . how many points he scored in all? Use an open number line to add.
56 + 40 = ___
Charlie scored 56points in first level of video game. He scored 40 points in second level . how many points he scored in all? Use an open number line to add.
56 + 40 = ___
Last year, Leah watched 31 movies. This year, she has watched 30 movies . How many movies has Leah watched in all? use the number line to solve.
31 + 30 = ___
Last year, Leah watched 31 movies. This year, she has watched 30 movies . How many movies has Leah watched in all? use the number line to solve.
31 + 30 = ___
Last year, Leah watched 31 movies. This year, she has watched 30 movies . How many movies has Leah watched in all? use the number line to solve.
31 + 30 = ___
Last year, Leah watched 31 movies. This year, she has watched 30 movies . How many movies has Leah watched in all? use the number line to solve.
31 + 30 = ___
Find the answer on the number line.
71 + 9 = ___
Find the answer on the number line.
71 + 9 = ___
Find the answer on the number line.
71 + 9 = ___
Find the answer on the number line.
71 + 9 = ___
Find the missing number. 52 + ___ = 60
Find the missing number. 52 + ___ = 60
Find the missing number. 52 + ___ = 60
Find the missing number. 52 + ___ = 60
Write an addition equation using a two-digit and one-digit number. Use number line and add the number. 43 + 7 = ___
Write an addition equation using a two-digit and one-digit number. Use number line and add the number. 43 + 7 = ___
Write an addition equation using a two-digit and one-digit number. Use number line and add the number. 43 + 7 = ___
Write an addition equation using a two-digit and one-digit number. Use number line and add the number. 43 + 7 = ___
Add using the number line. 39 + 20 = ___
Add using the number line. 39 + 20 = ___
Add using the number line. 39 + 20 = ___
Add using the number line. 39 + 20 = ___
Use an open number line and add the numbers. 42 + 5 = ___
Use an open number line and add the numbers. 42 + 5 = ___
Use an open number line and add the numbers. 42 + 5 = ___
Use an open number line and add the numbers. 42 + 5 = ___
Calvin solves 63 math problems. Then he solves 30 more math problems.
How many math problems did Calvin solve in all ?
63 + 30 = __
Calvin solves 63 math problems. Then he solves 30 more math problems.
How many math problems did Calvin solve in all ?
63 + 30 = __
Calvin solves 63 math problems. Then he solves 30 more math problems.
How many math problems did Calvin solve in all ?
63 + 30 = __
Calvin solves 63 math problems. Then he solves 30 more math problems.
How many math problems did Calvin solve in all ?
63 + 30 = __
Which equation makes the answer is 85
Which equation makes the answer is 85
Which equation makes the answer is 85
Which equation makes the answer is 85
Choose the equation, the answer is 78
Choose the equation, the answer is 78
Choose the equation, the answer is 78
Choose the equation, the answer is 78
