# Lesson 17 Make 10 to Add

• Let’s look for patterns and think about making 10 as we add.

## Warm-up How Many Do You See: Double 10-frames

How many do you see?
How do you see them?

## Activity 1 The 9 Plus Game

• Put out 9 counters.

• Pick a number card and add that many counters.

• Write an equation to represent the counters.
Can you write more than one?

Equations:

Round 1:

Round 2:

Round 3:

Round 4:

Round 5:

## Activity 2 Clare’s Birds

1. Clare draws some birds.
She draws 3 birds in a nest and 9 birds flying.
How many birds did she draw?
Show your thinking using drawings, numbers, or words.

Equation:

2. Clare draws birds that like warm weather.
She draws 6 toucans and 8 parrots.
How many birds did she draw?
Show your thinking using drawings, numbers, or words.

Equation:

3. Clare draws birds that like cold weather.
She draws 7 penguins and 5 owls.
How many birds did she draw?
Show your thinking using drawings, numbers, or words.

Equation:

## Problem 1

Find the value of each sum.
Show your thinking using drawings, numbers, or words.