Math Strategies Weekly Homework Packet
Math Power Weekly
Grade 2 • Unit 1: Strategies Within 20
Name:
Date:
Monday Doubles & Near Doubles Fact Power
Strategy: Double it, then add/subtract 1
TIP
Doubles Plus One: If you know 6 + 6 = 12, then 6 + 7 is just 1 more: 12 + 1 = 13!
1
Warm-Up: Fast Doubles Facts
4 + 4 =
7 + 7 =
8 + 8 =
9 + 9 =
2
Near Doubles Thinking: Show Your Steps
5 + 6 = ___ Think: 5 + 5 + 1
5 + 5 = → + 1 = ___
7 + 8 = ___ Think: 7 + 7 + 1
7 + 7 = → + 1 = ___
8 + 9 = ___ Think: 8 + 8 + 1
8 + 8 = → + 1 = ___
6 + 7 = ___ Think: 6 + 6 + 1
6 + 6 = → + 1 = ___
3
Story Problem
Maya has 7 blue stickers. Her brother give her 8 yellow stickers. How many stickers does Maya have in all? Use a doubles fact to solve.
My Doubles Strategy:
Equation & Final Answer:
___ + ___ = stickers
Daily Goal: Solve with speed and strategy confidence!
Self Check: 😊 Easy 😐 Just Right 🤔 Needed Help
Math Power Weekly
Grade 2 • Unit 1: Strategies Within 20
Name:
Date:
Tuesday Make Ten to Add (Bridge to 10)
Strategy: Break apart to make a friendly 10
EXAMPLE
For 8 + 5:
Break 5 into 2 + 3 → 8 + 2 = 10 → 10 + 3 = 13
1
Use Ten Frames: Draw dots to make a full 10, then add the rest
9 + 4 = 10 + 3 = ___
8 + 6 = 10 + 4 = ___
2
Decompose to Make 10: Fill in the missing numbers
9 + 7 = ___
Break 7 into:
1 and
10 + ___ = ___
8 + 5 = ___
Break 5 into:
2 and
10 + ___ = ___
7 + 5 = ___
Break 5 into:
3 and
10 + ___ = ___
3
Make-10 Problem Solving
There are 8 ducks in the pond. Then, 7 more ducks fly in. How many ducks are swimming in total?
Make 10 Thinking Space:
8 + 2 = 10, then 10 + ___ = ___
Number Sentence & Total:
___ + ___ = ducks
Daily Goal: Make a ten first to add larger single digits!
Self Check: 😊 Easy 😐 Just Right 🤔 Needed Help
Math Power Weekly
Grade 2 • Unit 1: Strategies Within 20
Name:
Date:
Wednesday Think Addition to Subtract & Fact Families
Strategy: Use known doubles & 10 facts
KEY IDEA
Addition and subtraction are opposites!
To solve 14 - 7 = ? → Think: 7 + 7 = 14 → 14 - 7 = 7
1
Fact Family Houses: Write the 4 related facts
Numbers: 8, 9, 17
8 + 9 = ___
17 - 9 = ___
9 + 8 = ___
17 - 8 = ___
Numbers: 6, 8, 14
6 + 8 = ___
14 - 8 = ___
8 + 6 = ___
14 - 6 = ___
2
Think Addition: Fill in the missing helper fact
13 - 7 = ___
Helper Fact: 7 + = 13
16 - 8 = ___
Helper Fact: 8 + = 16
15 - 9 = ___
Helper Fact: 9 + = 15
3
Subtraction Story Problem
Farmer Sam collected 15 eggs in the morning. He used 8 eggs for breakfast. How many eggs are left?
Think Addition Strategy:
8 + ___ = 15, so 15 - 8 = ___
Answer Box:
15 - 8 = eggs left
Daily Goal: Turn tricky subtraction into easy addition!
Self Check: 😊 Easy 😐 Just Right 🤔 Needed Help
Math Power Weekly
Grade 2 • Unit 1: Strategies Within 20
Name:
Date:
Thursday Strategy Toolbox Challenge & Check
Pick the best strategy & solve!
Strategy Codes: D = Doubles / Near Doubles M = Make 10 F = Fact Family
1
Strategy Match: Circle your strategy (D, M, or F) and write the sum or difference
8 + 8 =
Code: D M F
9 + 5 =
Code: D M F
7 + 8 =
Code: D M F
12 - 6 =
Code: D M F
8 + 4 =
Code: D M F
18 - 9 =
Code: D M F
2
Math Talk: Explain Leo's Strategy
💬
Leo says: "To solve 8 + 9, I can just do 8 + 8 + 1." Is Leo correct? Why does his strategy work?
Circle one: YES, he is right NO, he is wrong
⭐ Weekly Student Reflection
My favorite mental math strategy this week was:
Doubles Making 10 Fact Families
Parent / Guardian Signature
Unit 1 Complete! Return this packet on Friday morning.
Ready for Friday Fact Check!