10 + 47 = ______
Explain how you solved the problem.
57
I had 4 tens and added 1 more 10
Place the following numbers on the number line below: 35, 70, 90
_____l______l______l______l______l______l_____
20 ___ ___ 80 85 ___
_____l______l______l______l______l______l_____
20 35 70 80 85 90
21 + 15 + 43 =
Show your work.
79
Write the number that is 10 less and 10 more:
__________ , 36, _________
Ten less Ten more
26, 46
Place the following numbers on the number line below: 26, 72, 95
__________l_______________l___________ 45 75
____|______l____________|___l_________|__ 26 45 72 75 95
35 + 22 + 41 =
Show your work.
98
What number is 10 fewer than 89?
79
There are 24 dogs at the park. If 33 more dogs come, how many dogs will there be? Use a number line to show your thinking.
57
38 + 52 + 16 =
Show your work.
106
Write the number that is 10 less and 10 more:
__________ , 58, _________
Ten less Ten more
48, 68
Samantha rode her bike for 36 minutes on Monday and 42 minutes on Wednesday. How many minutes did she ride her bike both days? Use a number line to show your thinking.
78
Olivia has 11 cookies, Jose has 15 cookies, and Brittany has 19 cookies. How many cookies do they have in all?
45
Write the number that is 10 less and 10 more:
__________ , 13, _________
Ten less Ten more
3, 23
Brian collected 59 Pokemon cards. His friend gave him 38 more cards. How many cards does Brian have now? Use a number line to show your thinking.
97
Jackson scored 29 points on a video game on his first try. He scored 41 points on his second try, and 36 points on the third try. To find out how many points he has in all, Jackson first addes 29 to 41. Why might this be a good strategy?
Jackson is making a ten with the 9 and 1 before he keeps adding.