Make Ten Mission Worksheet
Grade 2 Math Indiana Standard 2.CA.1
Make-Ten Mission Practice
Name:
Date:
Helper Fact Strategy: Make a Ten
Find the number closest to 10. Decompose the second number to complete the ten, then add the leftovers!
8 + 5 = ? ➔ 8 + (2 + 3) ➔ 10 + 3 = 13
1 Fuel the Ten Frames
Draw dots to fill the first ten-frame, then write the helper fact.
A. 9 + 5 = 9 needs 1 more
Helper Fact: 10 + =
B. 8 + 6 = 8 needs 2 more
Helper Fact: 10 + =
2 Number Bond Boosters
Decompose the second number into two parts to make 10.
9 + 6 =
Break 6:
1
10 + =
8 + 5 =
Break 5:
2
10 + =
7 + 5 =
Break 5:
3
10 + =
8 + 7 =
Break 7:
10 + =
Mission Tip: 9 needs 1, 8 needs 2, and 7 needs 3 to reach 10!
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Independent Fact Mission
Name:
3 Fast Ten Countdown
Write the 10+ helper fact and find each sum.
9 + 7 =
Helper: 10 + =
8 + 4 =
Helper: 10 + =
7 + 6 =
Helper: 10 + =
9 + 4 =
Helper: 10 + =
8 + 8 =
Helper: 10 + =
7 + 4 =
Helper: 10 + =
4 Mission Control Word Problems
Show your make-ten thinking to solve each story.
A
Commander Leo gathered 8 moon rocks on Monday and 5 moon rocks on Tuesday. How many moon rocks did he collect in all?
Show Your Work (Break Apart):
8 + 5 = 8 + ( + )
Helper Fact: 10 + =
Answer: moon rocks
B
Astronaut Maya spotted 9 bright stars through her visor and 6 shooting stars. How many stars did Maya spot altogether?
Show Your Work (Break Apart):
9 + 6 = 9 + ( + )
Helper Fact: 10 + =
Answer: stars
5 Mission Error Detective
Find the Mistake
Cadet Sam solved 8 + 5 like this:
8 + (3 + 2) ➔ 10 + 2 = 12
What was Sam's mistake? How should he break apart the 5?
Mission Accomplished: You mastered making tens to solve facts within 20!
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