Find $0.3+0.1$0.3+0.1 giving your answer as a decimal.

Easy

Less than a minute

Find $3.8+4.6$3.8+4.6 giving your answer as a decimal.

Find $8.7+4.8$8.7+4.8 giving your answer as a decimal.

Evaluate $0.7+0.01$0.7+0.01.

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Add and subtract fractions, including by creating equivalent fractions, in various contexts.