Zero Hero Addition Flashcards
Set A • Vertical Part 1
Zero Hero Addition Flashcards
Facts: 0+0 to 3+0 • Page 1 of 6
Directions: Cut along outer borders. Fold along center line for double-sided self-checking cards, or cut apart for memory match. Vertical Equation Format
CARD #1 • FRONT
0
ANSWER & STRATEGY CARD #1 • BACK
0
0
Zero Rule
Nothing plus nothing is still nothing! Sum stays 0.
Turnaround: 0 + 0 = 0 Sum = 0
CARD #2 • FRONT
1
ANSWER & STRATEGY CARD #2 • BACK
1
1
Identity Rule
Adding zero keeps your starting number: 1 stays 1!
Turnaround: 0 + 1 = 1 Sum = 1
CARD #3 • FRONT
2
ANSWER & STRATEGY CARD #3 • BACK
2
2
Number Line
Start at 2 and take 0 jumps: you stay right at 2!
Turnaround: 0 + 2 = 2 Sum = 2
CARD #4 • FRONT
3
ANSWER & STRATEGY CARD #4 • BACK
3
3
Zero Rule
3 objects plus 0 added leaves 3 objects in all!
Turnaround: 0 + 3 = 3 Sum = 3
Set A • Vertical Part 2
Zero Hero Addition Flashcards
Facts: 4+0 to 7+0 • Page 2 of 6
Directions: Cut along outer borders. Fold along center line for double-sided self-checking cards, or cut apart for memory match. Vertical Equation Format
CARD #5 • FRONT
4
ANSWER & STRATEGY CARD #5 • BACK
4
4
Zero Rule
You have 4, you add 0 more: the sum stays 4!
Turnaround: 0 + 4 = 4 Sum = 4
CARD #6 • FRONT
5
ANSWER & STRATEGY CARD #6 • BACK
5
5
Benchmark 5
A whole hand of 5 plus 0 fingers = exactly 5!
Turnaround: 0 + 5 = 5 Sum = 5
CARD #7 • FRONT
6
ANSWER & STRATEGY CARD #7 • BACK
6
6
Identity Rule
Adding zero never alters the starting amount: 6 stays 6!
Turnaround: 0 + 6 = 6 Sum = 6
CARD #8 • FRONT
7
ANSWER & STRATEGY CARD #8 • BACK
7
7
Zero Rule
7 plus nothing added remains 7! The value is unchanged.
Turnaround: 0 + 7 = 7 Sum = 7
Set A • Vertical Part 3
Zero Hero Addition Flashcards
Facts: 8+0 to 10+0 + Rule • Page 3 of 6
Directions: Cut along outer borders. Fold along center line for double-sided self-checking cards, or cut apart for memory match. Vertical Equation Format
CARD #9 • FRONT
8
ANSWER & STRATEGY CARD #9 • BACK
8
8
Zero Rule
8 plus 0 changes nothing! The sum is completely unchanged at 8.
Turnaround: 0 + 8 = 8 Sum = 8
CARD #10 • FRONT
9
ANSWER & STRATEGY CARD #10 • BACK
9
9
Zero Rule
Almost 10! Adding 0 to 9 keeps the number exactly 9.
Turnaround: 0 + 9 = 9 Sum = 9
CARD #11 • FRONT Benchmark 10
10
ANSWER & STRATEGY CARD #11 • BACK
10
10
Benchmark 10
A full ten-frame plus 0 extras stays exactly 10!
Turnaround: 0 + 10 = 10 Sum = 10
STRATEGY ANCHOR CARD #12
What is the "Zero Hero" Rule?
When you add 0 to any number, what always happens to the sum?
Math Big Idea
IDENTITY PROPERTY RULE EXPLAINED
Any Number + 0 = Itself!
Adding 0 adds nothing to your group. The starting number keeps its exact identity!
Formula: \( a + 0 = a \)
Remember: 0 = "none added" Zero Superpower!
Set B • Vertical Turnarounds 1
Zero Hero Addition Flashcards
Facts: 0+1 to 0+4 • Page 4 of 6
Directions: Cut along outer borders. Fold along center line for double-sided self-checking cards, or cut apart for memory match. Zero-First Format
CARD #13 • FRONT Zero First
0
Turnaround Fact
ANSWER & STRATEGY CARD #13 • BACK
0
1
Turnaround
0 + 1 gives the exact same sum as 1 + 0: still 1!
Partner: 1 + 0 = 1 Sum = 1
CARD #14 • FRONT Zero First
0
Turnaround Fact
ANSWER & STRATEGY CARD #14 • BACK
0
2
Turnaround
Starting with 0 and adding 2 gives 2! Order doesn't change sum.
Partner: 2 + 0 = 2 Sum = 2
CARD #15 • FRONT Zero First
0
Turnaround Fact
ANSWER & STRATEGY CARD #15 • BACK
0
3
Turnaround
Flip it around: 3 + 0 = 3, so 0 + 3 is also 3!
Partner: 3 + 0 = 3 Sum = 3
CARD #16 • FRONT Zero First
0
Turnaround Fact
ANSWER & STRATEGY CARD #16 • BACK
0
4
Turnaround
0 added to 4 items leaves exactly 4 items in total!
Partner: 4 + 0 = 4 Sum = 4
Set B • Vertical Turnarounds 2
Zero Hero Addition Flashcards
Facts: 0+5 to 0+8 • Page 5 of 6
Directions: Cut along outer borders. Fold along center line for double-sided self-checking cards, or cut apart for memory match. Zero-First Format
CARD #17 • FRONT Zero First
0
Turnaround Fact
ANSWER & STRATEGY CARD #17 • BACK
0
5
Benchmark 5
0 fingers plus a full hand of 5 gives 5!
Partner: 5 + 0 = 5 Sum = 5
CARD #18 • FRONT Zero First
0
Turnaround Fact
ANSWER & STRATEGY CARD #18 • BACK
0
6
Turnaround
0 + 6 = 6, just like 6 + 0 = 6!
Partner: 6 + 0 = 6 Sum = 6
CARD #19 • FRONT Zero First
0
Turnaround Fact
ANSWER & STRATEGY CARD #19 • BACK
0
7
Turnaround
7 added to an empty set gives 7! Order never changes sum.
Partner: 7 + 0 = 7 Sum = 7
CARD #20 • FRONT Zero First
0
Turnaround Fact
ANSWER & STRATEGY CARD #20 • BACK
0
8
Turnaround
The total is 8, whether 0 is first or second!
Partner: 8 + 0 = 8 Sum = 8
Set B • Vertical Turnarounds 3
Zero Hero Addition Flashcards
Facts: 0+9, 0+10 + Rules • Page 6 of 6
Directions: Cut along outer borders. Fold along center line for double-sided self-checking cards, or cut apart for memory match. Mastery Finish
CARD #21 • FRONT Zero First
0
Turnaround Fact
ANSWER & STRATEGY CARD #21 • BACK
0
9
Turnaround
0 + 9 = 9! Check by flipping it: 9 + 0 = 9!
Partner: 9 + 0 = 9 Sum = 9
CARD #22 • FRONT Benchmark 10
0
Turnaround Fact
ANSWER & STRATEGY CARD #22 • BACK
0
10
Benchmark 10
0 + 10 = 10! A complete full set of 10!
Partner: 10 + 0 = 10 Sum = 10
TURNAROUND RULE CARD #23
Does Order Matter in Addition?
Is 7 + 0 the exact same amount as 0 + 7?
Math Big Idea
COMMUTATIVE PROPERTY RULE EXPLAINED
Order Never Changes the Sum!
You can switch addends around without changing the total.
0 + 7 = 7 ↔ 7 + 0 = 7
Turnaround facts are twin partners! Addition Rule
RAPID CHALLENGE CARD #24
Rapid Fire Zero Challenge!
5 + 0 = ___
0 + 8 = ___
0 + 0 = ___
10 + 0 = ___
Speed Check
CHALLENGE ANSWERS SUPERSTAR!
You Mastered Adding Zero!
5 + 0 = 5
0 + 8 = 8
0 + 0 = 0
10 + 0 = 10
100% Zero Fluency Achieved! 🎉 Math Champion