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Start at the first number. Move right the distance of the second number. The answer is at the end of the arrow. 0 Use the number line to add the decimals below. 0.2 + 0.5 = 1 Move right the distance of the second number. The answer is at the end of the arrow. Start at the first number. 0 Use the number line to add the decimals below. 0.2 0.2 + 0.5 = 1 Move right the distance of the second number. Start at the first number. The answer is at the end of the arrow. 0 Use the number line to add the decimals below. 0.2 |----->| 0.2 + 0.5 = + 0.5 1 Move right the distance of the second number. The answer is at the end of the arrow. Start at the first number. 0 Use the number line to add the decimals below. 0.2 |----->| 0.2 + 0.5 = + 0.5 0.7 0.7 1 0 Use the number line to add the decimals below. 0.6 + 0.5 = 0.6 ? |----->| ? 0.5 ? 1 0 Use the number line to add the decimals below. 1 1.3 ? |---------------->| ? 1.3 + 2 = 2 2 ? 3 4 0 Use the number line to add the decimals below. 1 2 + 0.7 = 2 2 ? |---->| ? 0.7 ? 3 4 0 Use the number line to add the decimals below. 1 1.8 + 1.3 = 1.8 ? |----------->| ? 2 1.3 ? 3 4 0 Use the number line to add the decimals below. 0.07 ? |------>| ? 0.1 0.1 ? 0.07 + 0.1 = 0.2 0.3 0.4 0 Use the number line to add the decimals below. 0.1 0.3 + 0.06 = 0.2 0.3 0.3 ? |---->| ? 0.06 ? 0.4 3.7 Use the number line to add the decimals below. 3.8 3.8 ? |-->| ? 0.06 ? 3.8 + 0.06 = 3.9 4 4.1 3.7 Use the number line to add the decimals below. 3.8 3.85 + 0.15 = 3.85 ? |-------->| ? 3.9 0.15 ? 4 4.1 3.7 Use the number line to add the decimals below. 3.8 3.95 + 0.08 = 3.9 3.95 ? |--->| ? 0.08 ? 4 4.1 3.7 Use the number line to add the decimals below. 3.8 3.94 + 0.16 = 3.9 3.94 ? |------->| ? 0.16 ? 4 4.1 |